Finding the Fourth Proportional to 80,641.98, 111,230.82 and 73,949.76

Step by Step Solution

1. Step 1: Write the proportion equation
   80,641.98 : 111,230.82 = 73,949.76 : x
2. Step 2: Convert to fraction form
   80,641.98/111,230.82 = 73,949.76/x
3. Step 3: Cross multiply
   80,641.98x = 111,230.82 × 73,949.76
4. Step 4: Simplify right side
   80,641.98x = 8,225,492,443.60
5. Step 5: Solve for x
   x = 8,225,492,443.60/80,641.98
6. Step 6: Final answer
   x = 102,000.13