Finding the Fourth Proportional to 89,608.52, 123,658.78 and 49,321.41

Step by Step Solution

1. Step 1: Write the proportion equation
   89,608.52 : 123,658.78 = 49,321.41 : x
2. Step 2: Convert to fraction form
   89,608.52/123,658.78 = 49,321.41/x
3. Step 3: Cross multiply
   89,608.52x = 123,658.78 × 49,321.41
4. Step 4: Simplify right side
   89,608.52x = 6,099,025,728.90
5. Step 5: Solve for x
   x = 6,099,025,728.90/89,608.52
6. Step 6: Final answer
   x = 68,063.01