Finding the Fourth Proportional to 23,825.97, 32,880.38 and 13,215.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,825.97 : 32,880.38 = 13,215.42 : x
2. Step 2: Convert to fraction form
   23,825.97/32,880.38 = 13,215.42/x
3. Step 3: Cross multiply
   23,825.97x = 32,880.38 × 13,215.42
4. Step 4: Simplify right side
   23,825.97x = 434,527,965.38
5. Step 5: Solve for x
   x = 434,527,965.38/23,825.97
6. Step 6: Final answer
   x = 18,237.58