Finding the Fourth Proportional to 111,233.72, 153,501.74 and 60,245.28

Step by Step Solution

1. Step 1: Write the proportion equation
   111,233.72 : 153,501.74 = 60,245.28 : x
2. Step 2: Convert to fraction form
   111,233.72/153,501.74 = 60,245.28/x
3. Step 3: Cross multiply
   111,233.72x = 153,501.74 × 60,245.28
4. Step 4: Simplify right side
   111,233.72x = 9,247,755,306.79
5. Step 5: Solve for x
   x = 9,247,755,306.79/111,233.72
6. Step 6: Final answer
   x = 83,138.06