Finding the Fourth Proportional to 113,336.72, 156,395.03 and 65,593.02

Step by Step Solution

1. Step 1: Write the proportion equation
   113,336.72 : 156,395.03 = 65,593.02 : x
2. Step 2: Convert to fraction form
   113,336.72/156,395.03 = 65,593.02/x
3. Step 3: Cross multiply
   113,336.72x = 156,395.03 × 65,593.02
4. Step 4: Simplify right side
   113,336.72x = 10,258,422,002.73
5. Step 5: Solve for x
   x = 10,258,422,002.73/113,336.72
6. Step 6: Final answer
   x = 90,512.79