Finding the Fourth Proportional to 23,230.88, 32,040.78 and 15,665.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,230.88 : 32,040.78 = 15,665.23 : x
2. Step 2: Convert to fraction form
   23,230.88/32,040.78 = 15,665.23/x
3. Step 3: Cross multiply
   23,230.88x = 32,040.78 × 15,665.23
4. Step 4: Simplify right side
   23,230.88x = 501,926,049.23
5. Step 5: Solve for x
   x = 501,926,049.23/23,230.88
6. Step 6: Final answer
   x = 21,605.99