Finding the Fourth Proportional to 90,498.72, 124,906.41 and 52,264.49

Step by Step Solution

1. Step 1: Write the proportion equation
   90,498.72 : 124,906.41 = 52,264.49 : x
2. Step 2: Convert to fraction form
   90,498.72/124,906.41 = 52,264.49/x
3. Step 3: Cross multiply
   90,498.72x = 124,906.41 × 52,264.49
4. Step 4: Simplify right side
   90,498.72x = 6,528,169,816.38
5. Step 5: Solve for x
   x = 6,528,169,816.38/90,498.72
6. Step 6: Final answer
   x = 72,135.49