Finding the Fourth Proportional to 113,613.96, 156,787.88 and 65,895.60

Step by Step Solution

1. Step 1: Write the proportion equation
   113,613.96 : 156,787.88 = 65,895.60 : x
2. Step 2: Convert to fraction form
   113,613.96/156,787.88 = 65,895.60/x
3. Step 3: Cross multiply
   113,613.96x = 156,787.88 × 65,895.60
4. Step 4: Simplify right side
   113,613.96x = 10,331,631,425.33
5. Step 5: Solve for x
   x = 10,331,631,425.33/113,613.96
6. Step 6: Final answer
   x = 90,936.28