Finding the Fourth Proportional to 23,651.31, 32,637.99 and 13,040.85

Step by Step Solution

1. Step 1: Write the proportion equation
   23,651.31 : 32,637.99 = 13,040.85 : x
2. Step 2: Convert to fraction form
   23,651.31/32,637.99 = 13,040.85/x
3. Step 3: Cross multiply
   23,651.31x = 32,637.99 × 13,040.85
4. Step 4: Simplify right side
   23,651.31x = 425,627,131.89
5. Step 5: Solve for x
   x = 425,627,131.89/23,651.31
6. Step 6: Final answer
   x = 17,995.92