Finding the Fourth Proportional to 111,150.24, 153,391.20 and 60,849.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,150.24 : 153,391.20 = 60,849.60 : x
2. Step 2: Convert to fraction form
   111,150.24/153,391.20 = 60,849.60/x
3. Step 3: Cross multiply
   111,150.24x = 153,391.20 × 60,849.60
4. Step 4: Simplify right side
   111,150.24x = 9,333,793,163.52
5. Step 5: Solve for x
   x = 9,333,793,163.52/111,150.24
6. Step 6: Final answer
   x = 83,974.57