Finding the Fourth Proportional to 113,517.72, 156,681.54 and 65,797.38

Step by Step Solution

1. Step 1: Write the proportion equation
   113,517.72 : 156,681.54 = 65,797.38 : x
2. Step 2: Convert to fraction form
   113,517.72/156,681.54 = 65,797.38/x
3. Step 3: Cross multiply
   113,517.72x = 156,681.54 × 65,797.38
4. Step 4: Simplify right side
   113,517.72x = 10,309,234,826.37
5. Step 5: Solve for x
   x = 10,309,234,826.37/113,517.72
6. Step 6: Final answer
   x = 90,816.08