Finding the Fourth Proportional to 8,785.64, 12,124.15 and 4,806.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,785.64 : 12,124.15 = 4,806.72 : x
2. Step 2: Convert to fraction form
   8,785.64/12,124.15 = 4,806.72/x
3. Step 3: Cross multiply
   8,785.64x = 12,124.15 × 4,806.72
4. Step 4: Simplify right side
   8,785.64x = 58,277,382.27
5. Step 5: Solve for x
   x = 58,277,382.27/8,785.64
6. Step 6: Final answer
   x = 6,633.25