Finding the Fourth Proportional to 25,385.67, 35,035.88 and 14,781.15

Step by Step Solution

1. Step 1: Write the proportion equation
   25,385.67 : 35,035.88 = 14,781.15 : x
2. Step 2: Convert to fraction form
   25,385.67/35,035.88 = 14,781.15/x
3. Step 3: Cross multiply
   25,385.67x = 35,035.88 × 14,781.15
4. Step 4: Simplify right side
   25,385.67x = 517,870,523.76
5. Step 5: Solve for x
   x = 517,870,523.76/25,385.67
6. Step 6: Final answer
   x = 20,400.11