Finding the Fourth Proportional to 113,522.57, 156,661.18 and 65,803.59

Step by Step Solution

1. Step 1: Write the proportion equation
   113,522.57 : 156,661.18 = 65,803.59 : x
2. Step 2: Convert to fraction form
   113,522.57/156,661.18 = 65,803.59/x
3. Step 3: Cross multiply
   113,522.57x = 156,661.18 × 65,803.59
4. Step 4: Simplify right side
   113,522.57x = 10,308,867,728.62
5. Step 5: Solve for x
   x = 10,308,867,728.62/113,522.57
6. Step 6: Final answer
   x = 90,808.97