please help with this. if you use a financial calculator show all your work, i need to understand how to solve this.

A 3-period investment project has the following cash flows at times t=0,1,2, and 3: 44,18,25, and 53 respectively. Compl ete the triangle for this project and then answer the following question pertaining to the bottom row of numbers; i.e., the row below the horizontal line. Reading the numbers of the bottom row of the triangle from left to right, what is the value of the third number? 8 points QUESTION 12 A 4-period investment project has the following cash flows at times t=0,1,2,3, and 4 (all cash flows in dollars): 2,30,45, 40 , and 57, respectively. Complete the triangle for this project and then answer the following question pertaining to the bottom row of numbers; i.e., the row below the horizontal line. Reading the numbers of the bottom row of the triangle from left to right, what is the value of the fourth number