Finding the Fourth Proportional to 23,218.72, 32,042.52 and 12,609.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,218.72 : 32,042.52 = 12,609.04 : x
2. Step 2: Convert to fraction form
   23,218.72/32,042.52 = 12,609.04/x
3. Step 3: Cross multiply
   23,218.72x = 32,042.52 × 12,609.04
4. Step 4: Simplify right side
   23,218.72x = 404,025,416.38
5. Step 5: Solve for x
   x = 404,025,416.38/23,218.72
6. Step 6: Final answer
   x = 17,400.85