Finding the Fourth Proportional to 89,915.49, 124,081.83 and 49,629.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89,915.49 : 124,081.83 = 49,629.24 : x
2. Step 2: Convert to fraction form
   89,915.49/124,081.83 = 49,629.24/x
3. Step 3: Cross multiply
   89,915.49x = 124,081.83 × 49,629.24
4. Step 4: Simplify right side
   89,915.49x = 6,158,086,920.71
5. Step 5: Solve for x
   x = 6,158,086,920.71/89,915.49
6. Step 6: Final answer
   x = 68,487.50