Finding the Fourth Proportional to 28.52, 42.55 and 24.94

Step by Step Solution

1. Step 1: Write the proportion equation
   28.52 : 42.55 = 24.94 : x
2. Step 2: Convert to fraction form
   28.52/42.55 = 24.94/x
3. Step 3: Cross multiply
   28.52x = 42.55 × 24.94
4. Step 4: Simplify right side
   28.52x = 1,061.20
5. Step 5: Solve for x
   x = 1,061.20/28.52
6. Step 6: Final answer
   x = 37.21