Finding the Fourth Proportional to 90,108.24, 124,364.76 and 52,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,108.24 : 124,364.76 = 52,404.72 : x
2. Step 2: Convert to fraction form
   90,108.24/124,364.76 = 52,404.72/x
3. Step 3: Cross multiply
   90,108.24x = 124,364.76 × 52,404.72
4. Step 4: Simplify right side
   90,108.24x = 6,517,300,425.67
5. Step 5: Solve for x
   x = 6,517,300,425.67/90,108.24
6. Step 6: Final answer
   x = 72,327.46