Finding the Fourth Proportional to 8,861.42, 12,228.90 and 4,882.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,861.42 : 12,228.90 = 4,882.52 : x
2. Step 2: Convert to fraction form
   8,861.42/12,228.90 = 4,882.52/x
3. Step 3: Cross multiply
   8,861.42x = 12,228.90 × 4,882.52
4. Step 4: Simplify right side
   8,861.42x = 59,707,848.83
5. Step 5: Solve for x
   x = 59,707,848.83/8,861.42
6. Step 6: Final answer
   x = 6,737.95