Finding the Fourth Proportional to 113,485.55, 156,604.07 and 65,084.98

Step by Step Solution

1. Step 1: Write the proportion equation
   113,485.55 : 156,604.07 = 65,084.98 : x
2. Step 2: Convert to fraction form
   113,485.55/156,604.07 = 65,084.98/x
3. Step 3: Cross multiply
   113,485.55x = 156,604.07 × 65,084.98
4. Step 4: Simplify right side
   113,485.55x = 10,192,572,462.60
5. Step 5: Solve for x
   x = 10,192,572,462.60/113,485.55
6. Step 6: Final answer
   x = 89,813.83