Finding the Fourth Proportional to 86,061.14, 129,088.20 and 29,913.98

Step by Step Solution

1. Step 1: Write the proportion equation
   86,061.14 : 129,088.20 = 29,913.98 : x
2. Step 2: Convert to fraction form
   86,061.14/129,088.20 = 29,913.98/x
3. Step 3: Cross multiply
   86,061.14x = 129,088.20 × 29,913.98
4. Step 4: Simplify right side
   86,061.14x = 3,861,541,833.04
5. Step 5: Solve for x
   x = 3,861,541,833.04/86,061.14
6. Step 6: Final answer
   x = 44,869.75