Finding the Fourth Proportional to 28,159.68, 42,155.37 and 17,032.71

Step by Step Solution

1. Step 1: Write the proportion equation
   28,159.68 : 42,155.37 = 17,032.71 : x
2. Step 2: Convert to fraction form
   28,159.68/42,155.37 = 17,032.71/x
3. Step 3: Cross multiply
   28,159.68x = 42,155.37 × 17,032.71
4. Step 4: Simplify right side
   28,159.68x = 718,020,192.15
5. Step 5: Solve for x
   x = 718,020,192.15/28,159.68
6. Step 6: Final answer
   x = 25,498.17