Finding the Fourth Proportional to 23,567.88, 32,522.10 and 12,957

Step by Step Solution

1. Step 1: Write the proportion equation
   23,567.88 : 32,522.10 = 12,957 : x
2. Step 2: Convert to fraction form
   23,567.88/32,522.10 = 12,957/x
3. Step 3: Cross multiply
   23,567.88x = 32,522.10 × 12,957
4. Step 4: Simplify right side
   23,567.88x = 421,388,849.70
5. Step 5: Solve for x
   x = 421,388,849.70/23,567.88
6. Step 6: Final answer
   x = 17,879.79