Finding the Fourth Proportional to 111,139.25, 153,370.92 and 60,150.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111,139.25 : 153,370.92 = 60,150.83 : x
2. Step 2: Convert to fraction form
   111,139.25/153,370.92 = 60,150.83/x
3. Step 3: Cross multiply
   111,139.25x = 153,370.92 × 60,150.83
4. Step 4: Simplify right side
   111,139.25x = 9,225,388,135.86
5. Step 5: Solve for x
   x = 9,225,388,135.86/111,139.25
6. Step 6: Final answer
   x = 83,007.47