Finding the Fourth Proportional to 8,861.85, 12,229.89 and 4,882.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,861.85 : 12,229.89 = 4,882.96 : x
2. Step 2: Convert to fraction form
   8,861.85/12,229.89 = 4,882.96/x
3. Step 3: Cross multiply
   8,861.85x = 12,229.89 × 4,882.96
4. Step 4: Simplify right side
   8,861.85x = 59,718,033.10
5. Step 5: Solve for x
   x = 59,718,033.10/8,861.85
6. Step 6: Final answer
   x = 6,738.78