Finding the Fourth Proportional to 23,650.98, 32,639.76 and 13,040.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,650.98 : 32,639.76 = 13,040.55 : x
2. Step 2: Convert to fraction form
   23,650.98/32,639.76 = 13,040.55/x
3. Step 3: Cross multiply
   23,650.98x = 32,639.76 × 13,040.55
4. Step 4: Simplify right side
   23,650.98x = 425,640,422.27
5. Step 5: Solve for x
   x = 425,640,422.27/23,650.98
6. Step 6: Final answer
   x = 17,996.74