Finding the Fourth Proportional to 8,861.49, 12,228.88 and 4,882.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,861.49 : 12,228.88 = 4,882.59 : x
2. Step 2: Convert to fraction form
   8,861.49/12,228.88 = 4,882.59/x
3. Step 3: Cross multiply
   8,861.49x = 12,228.88 × 4,882.59
4. Step 4: Simplify right side
   8,861.49x = 59,708,607.20
5. Step 5: Solve for x
   x = 59,708,607.20/8,861.49
6. Step 6: Final answer
   x = 6,737.99