Finding the Fourth Proportional to 28,114.97, 42,151.59 and 17,019.32

Step by Step Solution

1. Step 1: Write the proportion equation
   28,114.97 : 42,151.59 = 17,019.32 : x
2. Step 2: Convert to fraction form
   28,114.97/42,151.59 = 17,019.32/x
3. Step 3: Cross multiply
   28,114.97x = 42,151.59 × 17,019.32
4. Step 4: Simplify right side
   28,114.97x = 717,391,187.96
5. Step 5: Solve for x
   x = 717,391,187.96/28,114.97
6. Step 6: Final answer
   x = 25,516.35