I think im getting confused with all the numbers, Please assist so I could have a better understanding

Consider the following data for the airline industry for July 2018 (EV = enterprise value, Book = equity book value). Suppose Alaska Air (ALK) has 123 million shares outstanding. Estimate Alaska Air's share value using each of the five valuation multiples, based on the median valuation multiple of the other seven airlines shown. Calculate Alaska Air's share values using each of the five valuation multiples below: (Round the median to two decimal places. Round the share price to the nearest cent. Round the EV and market cap to the nearest integer.) EV/Sales EV/EBITDA EV/EBIT P/E P/Book Alaska Air 1.0 5.1 6.7 7.7 12.5 Median Implied EV Implied market cap Implied share price $(Click on the following icon _ in order to copy its contents into a spreadsheet.) Market Enterprise Company Name Capitalization Value (EV) EV/Sales EV/EBITDA EV/EBIT P/E Forward P/E Alaska Air (ALK) 7,286 8,207 1.02x 5.1x 6.7x 7.7x 12.5x American Airlines (AAL) 17,879 37,327 0.87x 5.7x 8.2x 10.5x 8.2x Delta Air Lines (DAL) 35,580 44, 164 1.02x 5.7x 8.0x 10.8x 8.8x Hawaiian (HA) 2,023 2,057 0.73x 3.4x 4.1x 5.8x 7.2x JetBlue Airways (JBLU) 5,450 5,814 0.80x 4.1x 5.9x 4.9x 10.8x SkyWest (SKYW) 2,909 5,040 1.56x 7.2x 12.6x 6.6x 11.8x Southwest Airlines (LUV) 30,318 30,691 1.44x 6.9x 8.9x 8.6x 12.3x United Continental (UAL) 21,961 31,393 0.80x 5.7x 9.2x 11.4x 9.3x Source: Capitall