Finding the Fourth Proportional to 28.30, 42.42 and 24.52

Step by Step Solution

1. Step 1: Write the proportion equation
   28.30 : 42.42 = 24.52 : x
2. Step 2: Convert to fraction form
   28.30/42.42 = 24.52/x
3. Step 3: Cross multiply
   28.30x = 42.42 × 24.52
4. Step 4: Simplify right side
   28.30x = 1,040.14
5. Step 5: Solve for x
   x = 1,040.14/28.30
6. Step 6: Final answer
   x = 36.75