Finding the Fourth Proportional to 23,564.88, 32,517.60 and 13,872.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,564.88 : 32,517.60 = 13,872.79 : x
2. Step 2: Convert to fraction form
   23,564.88/32,517.60 = 13,872.79/x
3. Step 3: Cross multiply
   23,564.88x = 32,517.60 × 13,872.79
4. Step 4: Simplify right side
   23,564.88x = 451,109,882.72
5. Step 5: Solve for x
   x = 451,109,882.72/23,564.88
6. Step 6: Final answer
   x = 19,143.32