Finding the Fourth Proportional to 8,632.43, 12,948.72 and 2,789.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,632.43 : 12,948.72 = 2,789.04 : x
2. Step 2: Convert to fraction form
   8,632.43/12,948.72 = 2,789.04/x
3. Step 3: Cross multiply
   8,632.43x = 12,948.72 × 2,789.04
4. Step 4: Simplify right side
   8,632.43x = 36,114,498.03
5. Step 5: Solve for x
   x = 36,114,498.03/8,632.43
6. Step 6: Final answer
   x = 4,183.58