Finding the Fourth Proportional to 90,348.73, 124,677.89 and 52,109.91

Step by Step Solution

1. Step 1: Write the proportion equation
   90,348.73 : 124,677.89 = 52,109.91 : x
2. Step 2: Convert to fraction form
   90,348.73/124,677.89 = 52,109.91/x
3. Step 3: Cross multiply
   90,348.73x = 124,677.89 × 52,109.91
4. Step 4: Simplify right side
   90,348.73x = 6,496,953,626.89
5. Step 5: Solve for x
   x = 6,496,953,626.89/90,348.73
6. Step 6: Final answer
   x = 71,909.74