Finding the Fourth Proportional to 89,025.62, 122,857.49 and 48,739.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,025.62 : 122,857.49 = 48,739.25 : x
2. Step 2: Convert to fraction form
   89,025.62/122,857.49 = 48,739.25/x
3. Step 3: Cross multiply
   89,025.62x = 122,857.49 × 48,739.25
4. Step 4: Simplify right side
   89,025.62x = 5,987,982,348.47
5. Step 5: Solve for x
   x = 5,987,982,348.47/89,025.62
6. Step 6: Final answer
   x = 67,261.34