Finding the Fourth Proportional to 23,549.38, 32,498.55 and 12,939.46

Step by Step Solution

1. Step 1: Write the proportion equation
   23,549.38 : 32,498.55 = 12,939.46 : x
2. Step 2: Convert to fraction form
   23,549.38/32,498.55 = 12,939.46/x
3. Step 3: Cross multiply
   23,549.38x = 32,498.55 × 12,939.46
4. Step 4: Simplify right side
   23,549.38x = 420,513,687.78
5. Step 5: Solve for x
   x = 420,513,687.78/23,549.38
6. Step 6: Final answer
   x = 17,856.68