Finding the Fourth Proportional to 28.18, 42.06 and 24.33

Step by Step Solution

1. Step 1: Write the proportion equation
   28.18 : 42.06 = 24.33 : x
2. Step 2: Convert to fraction form
   28.18/42.06 = 24.33/x
3. Step 3: Cross multiply
   28.18x = 42.06 × 24.33
4. Step 4: Simplify right side
   28.18x = 1,023.09
5. Step 5: Solve for x
   x = 1,023.09/28.18
6. Step 6: Final answer
   x = 36.31