Finding the Fourth Proportional to 8,785.38, 12,123.72 and 4,806.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,785.38 : 12,123.72 = 4,806.48 : x
2. Step 2: Convert to fraction form
   8,785.38/12,123.72 = 4,806.48/x
3. Step 3: Cross multiply
   8,785.38x = 12,123.72 × 4,806.48
4. Step 4: Simplify right side
   8,785.38x = 58,272,417.71
5. Step 5: Solve for x
   x = 58,272,417.71/8,785.38
6. Step 6: Final answer
   x = 6,632.89