Finding the Fourth Proportional to 8,861.22, 12,228.46 and 4,882.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,861.22 : 12,228.46 = 4,882.61 : x
2. Step 2: Convert to fraction form
   8,861.22/12,228.46 = 4,882.61/x
3. Step 3: Cross multiply
   8,861.22x = 12,228.46 × 4,882.61
4. Step 4: Simplify right side
   8,861.22x = 59,706,819.45
5. Step 5: Solve for x
   x = 59,706,819.45/8,861.22
6. Step 6: Final answer
   x = 6,737.99