Finding the Fourth Proportional to 90,348.72, 124,702.04 and 60,135.24

Step by Step Solution

1. Step 1: Write the proportion equation
   90,348.72 : 124,702.04 = 60,135.24 : x
2. Step 2: Convert to fraction form
   90,348.72/124,702.04 = 60,135.24/x
3. Step 3: Cross multiply
   90,348.72x = 124,702.04 × 60,135.24
4. Step 4: Simplify right side
   90,348.72x = 7,498,987,103.89
5. Step 5: Solve for x
   x = 7,498,987,103.89/90,348.72
6. Step 6: Final answer
   x = 83,000.48