Finding the Fourth Proportional to 89,411.13, 123,387.27 and 49,124.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,411.13 : 123,387.27 = 49,124.80 : x
2. Step 2: Convert to fraction form
   89,411.13/123,387.27 = 49,124.80/x
3. Step 3: Cross multiply
   89,411.13x = 123,387.27 × 49,124.80
4. Step 4: Simplify right side
   89,411.13x = 6,061,375,692.83
5. Step 5: Solve for x
   x = 6,061,375,692.83/89,411.13
6. Step 6: Final answer
   x = 67,792.18