Finding the Fourth Proportional to 23,760.72, 32,789.40 and 13,150.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,760.72 : 32,789.40 = 13,150.20 : x
2. Step 2: Convert to fraction form
   23,760.72/32,789.40 = 13,150.20/x
3. Step 3: Cross multiply
   23,760.72x = 32,789.40 × 13,150.20
4. Step 4: Simplify right side
   23,760.72x = 431,187,167.88
5. Step 5: Solve for x
   x = 431,187,167.88/23,760.72
6. Step 6: Final answer
   x = 18,147.06