Finding the Fourth Proportional to 113,651.96, 156,804.90 and 65,895.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,651.96 : 156,804.90 = 65,895.72 : x
2. Step 2: Convert to fraction form
   113,651.96/156,804.90 = 65,895.72/x
3. Step 3: Cross multiply
   113,651.96x = 156,804.90 × 65,895.72
4. Step 4: Simplify right side
   113,651.96x = 10,332,771,785.03
5. Step 5: Solve for x
   x = 10,332,771,785.03/113,651.96
6. Step 6: Final answer
   x = 90,915.91