Finding the Fourth Proportional to 16.50, 24.59 and 15.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16.50 : 24.59 = 15.47 : x
2. Step 2: Convert to fraction form
   16.50/24.59 = 15.47/x
3. Step 3: Cross multiply
   16.50x = 24.59 × 15.47
4. Step 4: Simplify right side
   16.50x = 380.37
5. Step 5: Solve for x
   x = 380.37/16.50
6. Step 6: Final answer
   x = 23.05