Finding the Fourth Proportional to 90,231.33, 124,490.61 and 52,498.29

Step by Step Solution

1. Step 1: Write the proportion equation
   90,231.33 : 124,490.61 = 52,498.29 : x
2. Step 2: Convert to fraction form
   90,231.33/124,490.61 = 52,498.29/x
3. Step 3: Cross multiply
   90,231.33x = 124,490.61 × 52,498.29
4. Step 4: Simplify right side
   90,231.33x = 6,535,544,146.06
5. Step 5: Solve for x
   x = 6,535,544,146.06/90,231.33
6. Step 6: Final answer
   x = 72,430.99