Finding the Fourth Proportional to 89,007.02, 122,829.60 and 48,720.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,007.02 : 122,829.60 = 48,720.42 : x
2. Step 2: Convert to fraction form
   89,007.02/122,829.60 = 48,720.42/x
3. Step 3: Cross multiply
   89,007.02x = 122,829.60 × 48,720.42
4. Step 4: Simplify right side
   89,007.02x = 5,984,309,700.43
5. Step 5: Solve for x
   x = 5,984,309,700.43/89,007.02
6. Step 6: Final answer
   x = 67,234.13