Finding the Fourth Proportional to 42.18, 58.22 and 24.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42.18 : 58.22 = 24.94 : x
2. Step 2: Convert to fraction form
   42.18/58.22 = 24.94/x
3. Step 3: Cross multiply
   42.18x = 58.22 × 24.94
4. Step 4: Simplify right side
   42.18x = 1,452.01
5. Step 5: Solve for x
   x = 1,452.01/42.18
6. Step 6: Final answer
   x = 34.42