Finding the Fourth Proportional to 113,581.62, 156,737.03 and 65,850.48

Step by Step Solution

1. Step 1: Write the proportion equation
   113,581.62 : 156,737.03 = 65,850.48 : x
2. Step 2: Convert to fraction form
   113,581.62/156,737.03 = 65,850.48/x
3. Step 3: Cross multiply
   113,581.62x = 156,737.03 × 65,850.48
4. Step 4: Simplify right side
   113,581.62x = 10,321,208,330.02
5. Step 5: Solve for x
   x = 10,321,208,330.02/113,581.62
6. Step 6: Final answer
   x = 90,870.41