Finding the Fourth Proportional to 113,481.86, 156,632.55 and 65,727.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,481.86 : 156,632.55 = 65,727.50 : x
2. Step 2: Convert to fraction form
   113,481.86/156,632.55 = 65,727.50/x
3. Step 3: Cross multiply
   113,481.86x = 156,632.55 × 65,727.50
4. Step 4: Simplify right side
   113,481.86x = 10,295,065,930.13
5. Step 5: Solve for x
   x = 10,295,065,930.13/113,481.86
6. Step 6: Final answer
   x = 90,719.93