Finding the Fourth Proportional to 8,861.59, 12,228.81 and 4,882.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,861.59 : 12,228.81 = 4,882.60 : x
2. Step 2: Convert to fraction form
   8,861.59/12,228.81 = 4,882.60/x
3. Step 3: Cross multiply
   8,861.59x = 12,228.81 × 4,882.60
4. Step 4: Simplify right side
   8,861.59x = 59,708,387.71
5. Step 5: Solve for x
   x = 59,708,387.71/8,861.59
6. Step 6: Final answer
   x = 6,737.89