Finding the Fourth Proportional to 90,350.72, 124,704.80 and 60,137.24

Step by Step Solution

1. Step 1: Write the proportion equation
   90,350.72 : 124,704.80 = 60,137.24 : x
2. Step 2: Convert to fraction form
   90,350.72/124,704.80 = 60,137.24/x
3. Step 3: Cross multiply
   90,350.72x = 124,704.80 × 60,137.24
4. Step 4: Simplify right side
   90,350.72x = 7,499,402,486.75
5. Step 5: Solve for x
   x = 7,499,402,486.75/90,350.72
6. Step 6: Final answer
   x = 83,003.24