Finding the Fourth Proportional to 80,542.30, 111,144.77 and 48,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,542.30 : 111,144.77 = 48,294.72 : x
2. Step 2: Convert to fraction form
   80,542.30/111,144.77 = 48,294.72/x
3. Step 3: Cross multiply
   80,542.30x = 111,144.77 × 48,294.72
4. Step 4: Simplify right side
   80,542.30x = 5,367,705,546.61
5. Step 5: Solve for x
   x = 5,367,705,546.61/80,542.30
6. Step 6: Final answer
   x = 66,644.55