Finding the Fourth Proportional to 111,800.55, 154,288.22 and 60,816.99

Step by Step Solution

1. Step 1: Write the proportion equation
   111,800.55 : 154,288.22 = 60,816.99 : x
2. Step 2: Convert to fraction form
   111,800.55/154,288.22 = 60,816.99/x
3. Step 3: Cross multiply
   111,800.55x = 154,288.22 × 60,816.99
4. Step 4: Simplify right side
   111,800.55x = 9,383,345,132.86
5. Step 5: Solve for x
   x = 9,383,345,132.86/111,800.55
6. Step 6: Final answer
   x = 83,929.33