Finding the Fourth Proportional to 89,008.02, 122,830.98 and 48,721.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,008.02 : 122,830.98 = 48,721.42 : x
2. Step 2: Convert to fraction form
   89,008.02/122,830.98 = 48,721.42/x
3. Step 3: Cross multiply
   89,008.02x = 122,830.98 × 48,721.42
4. Step 4: Simplify right side
   89,008.02x = 5,984,499,765.59
5. Step 5: Solve for x
   x = 5,984,499,765.59/89,008.02
6. Step 6: Final answer
   x = 67,235.51