Finding the Fourth Proportional to 113,331.48, 156,402.72 and 65,575.59

Step by Step Solution

1. Step 1: Write the proportion equation
   113,331.48 : 156,402.72 = 65,575.59 : x
2. Step 2: Convert to fraction form
   113,331.48/156,402.72 = 65,575.59/x
3. Step 3: Cross multiply
   113,331.48x = 156,402.72 × 65,575.59
4. Step 4: Simplify right side
   113,331.48x = 10,256,200,641.60
5. Step 5: Solve for x
   x = 10,256,200,641.60/113,331.48
6. Step 6: Final answer
   x = 90,497.37