Finding the Fourth Proportional to 89,003.79, 122,825.41 and 48,720.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,003.79 : 122,825.41 = 48,720.12 : x
2. Step 2: Convert to fraction form
   89,003.79/122,825.41 = 48,720.12/x
3. Step 3: Cross multiply
   89,003.79x = 122,825.41 × 48,720.12
4. Step 4: Simplify right side
   89,003.79x = 5,984,068,470.65
5. Step 5: Solve for x
   x = 5,984,068,470.65/89,003.79
6. Step 6: Final answer
   x = 67,233.87