Finding the Fourth Proportional to 111,139.14, 153,370.77 and 60,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,139.14 : 153,370.77 = 60,150.72 : x
2. Step 2: Convert to fraction form
   111,139.14/153,370.77 = 60,150.72/x
3. Step 3: Cross multiply
   111,139.14x = 153,370.77 × 60,150.72
4. Step 4: Simplify right side
   111,139.14x = 9,225,362,242.45
5. Step 5: Solve for x
   x = 9,225,362,242.45/111,139.14
6. Step 6: Final answer
   x = 83,007.32