Finding the Fourth Proportional to 23,514.38, 32,443.20 and 13,439.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,514.38 : 32,443.20 = 13,439.18 : x
2. Step 2: Convert to fraction form
   23,514.38/32,443.20 = 13,439.18/x
3. Step 3: Cross multiply
   23,514.38x = 32,443.20 × 13,439.18
4. Step 4: Simplify right side
   23,514.38x = 436,010,004.58
5. Step 5: Solve for x
   x = 436,010,004.58/23,514.38
6. Step 6: Final answer
   x = 18,542.27