Finding the Fourth Proportional to 16.25, 24.41 and 15.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16.25 : 24.41 = 15.31 : x
2. Step 2: Convert to fraction form
   16.25/24.41 = 15.31/x
3. Step 3: Cross multiply
   16.25x = 24.41 × 15.31
4. Step 4: Simplify right side
   16.25x = 373.69
5. Step 5: Solve for x
   x = 373.69/16.25
6. Step 6: Final answer
   x = 22.99