Finding the Fourth Proportional to 89,797.86, 123,915.42 and 49,509.54

Step by Step Solution

1. Step 1: Write the proportion equation
   89,797.86 : 123,915.42 = 49,509.54 : x
2. Step 2: Convert to fraction form
   89,797.86/123,915.42 = 49,509.54/x
3. Step 3: Cross multiply
   89,797.86x = 123,915.42 × 49,509.54
4. Step 4: Simplify right side
   89,797.86x = 6,134,995,443.11
5. Step 5: Solve for x
   x = 6,134,995,443.11/89,797.86
6. Step 6: Final answer
   x = 68,320.06