Finding the Fourth Proportional to 28.10, 42.17 and 24.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28.10 : 42.17 = 24.50 : x
2. Step 2: Convert to fraction form
   28.10/42.17 = 24.50/x
3. Step 3: Cross multiply
   28.10x = 42.17 × 24.50
4. Step 4: Simplify right side
   28.10x = 1,032.83
5. Step 5: Solve for x
   x = 1,032.83/28.10
6. Step 6: Final answer
   x = 36.76