Finding the Fourth Proportional to 23,651.06, 32,638.27 and 13,040.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,651.06 : 32,638.27 = 13,040.47 : x
2. Step 2: Convert to fraction form
   23,651.06/32,638.27 = 13,040.47/x
3. Step 3: Cross multiply
   23,651.06x = 32,638.27 × 13,040.47
4. Step 4: Simplify right side
   23,651.06x = 425,618,380.79
5. Step 5: Solve for x
   x = 425,618,380.79/23,651.06
6. Step 6: Final answer
   x = 17,995.74