Finding the Fourth Proportional to 80,830.72, 111,552 and 49,000.96

Step by Step Solution

1. Step 1: Write the proportion equation
   80,830.72 : 111,552 = 49,000.96 : x
2. Step 2: Convert to fraction form
   80,830.72/111,552 = 49,000.96/x
3. Step 3: Cross multiply
   80,830.72x = 111,552 × 49,000.96
4. Step 4: Simplify right side
   80,830.72x = 5,466,155,089.92
5. Step 5: Solve for x
   x = 5,466,155,089.92/80,830.72
6. Step 6: Final answer
   x = 67,624.72