Engineers have proposed a single-span suspension bridge across 8-km wide strait. The plan includes suspension towers 360 meters high at each end.

Use the Trapezoidal approximation ( n = 4 ) to estimate the total length of the cable (in meters) that is given by

L = 2 0 S 1 + 4 H 2 S 4 x 2 d x

Round intermediate and final answers to the nearest ten-thousandths.