Finding the Fourth Proportional to 111,550.86, 153,940.38 and 60,563.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,550.86 : 153,940.38 = 60,563.60 : x
2. Step 2: Convert to fraction form
   111,550.86/153,940.38 = 60,563.60/x
3. Step 3: Cross multiply
   111,550.86x = 153,940.38 × 60,563.60
4. Step 4: Simplify right side
   111,550.86x = 9,323,183,598.17
5. Step 5: Solve for x
   x = 9,323,183,598.17/111,550.86
6. Step 6: Final answer
   x = 83,577.87