Finding the Fourth Proportional to 23,650.88, 32,638.30 and 13,040.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,650.88 : 32,638.30 = 13,040.30 : x
2. Step 2: Convert to fraction form
   23,650.88/32,638.30 = 13,040.30/x
3. Step 3: Cross multiply
   23,650.88x = 32,638.30 × 13,040.30
4. Step 4: Simplify right side
   23,650.88x = 425,613,223.49
5. Step 5: Solve for x
   x = 425,613,223.49/23,650.88
6. Step 6: Final answer
   x = 17,995.66