Finding the Fourth Proportional to 80,648.72, 111,292.80 and 44,839.52

Step by Step Solution

1. Step 1: Write the proportion equation
   80,648.72 : 111,292.80 = 44,839.52 : x
2. Step 2: Convert to fraction form
   80,648.72/111,292.80 = 44,839.52/x
3. Step 3: Cross multiply
   80,648.72x = 111,292.80 × 44,839.52
4. Step 4: Simplify right side
   80,648.72x = 4,990,315,731.46
5. Step 5: Solve for x
   x = 4,990,315,731.46/80,648.72
6. Step 6: Final answer
   x = 61,877.18