Finding the Fourth Proportional to 16.18, 24.38 and 15.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16.18 : 24.38 = 15.82 : x
2. Step 2: Convert to fraction form
   16.18/24.38 = 15.82/x
3. Step 3: Cross multiply
   16.18x = 24.38 × 15.82
4. Step 4: Simplify right side
   16.18x = 385.69
5. Step 5: Solve for x
   x = 385.69/16.18
6. Step 6: Final answer
   x = 23.84