Finding the Fourth Proportional to 8,785.52, 12,123.92 and 4,806.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,785.52 : 12,123.92 = 4,806.71 : x
2. Step 2: Convert to fraction form
   8,785.52/12,123.92 = 4,806.71/x
3. Step 3: Cross multiply
   8,785.52x = 12,123.92 × 4,806.71
4. Step 4: Simplify right side
   8,785.52x = 58,276,082.85
5. Step 5: Solve for x
   x = 58,276,082.85/8,785.52
6. Step 6: Final answer
   x = 6,633.20