Finding the Fourth Proportional to 8,785.30, 12,123.33 and 4,806.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,785.30 : 12,123.33 = 4,806.49 : x
2. Step 2: Convert to fraction form
   8,785.30/12,123.33 = 4,806.49/x
3. Step 3: Cross multiply
   8,785.30x = 12,123.33 × 4,806.49
4. Step 4: Simplify right side
   8,785.30x = 58,270,664.41
5. Step 5: Solve for x
   x = 58,270,664.41/8,785.30
6. Step 6: Final answer
   x = 6,632.75