Finding the Fourth Proportional to 113,463.71, 156,600.92 and 65,717.05

Step by Step Solution

1. Step 1: Write the proportion equation
   113,463.71 : 156,600.92 = 65,717.05 : x
2. Step 2: Convert to fraction form
   113,463.71/156,600.92 = 65,717.05/x
3. Step 3: Cross multiply
   113,463.71x = 156,600.92 × 65,717.05
4. Step 4: Simplify right side
   113,463.71x = 10,291,350,489.69
5. Step 5: Solve for x
   x = 10,291,350,489.69/113,463.71
6. Step 6: Final answer
   x = 90,701.69