Finding the Fourth Proportional to 42.56, 58.74 and 24.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42.56 : 58.74 = 24.15 : x
2. Step 2: Convert to fraction form
   42.56/58.74 = 24.15/x
3. Step 3: Cross multiply
   42.56x = 58.74 × 24.15
4. Step 4: Simplify right side
   42.56x = 1,418.57
5. Step 5: Solve for x
   x = 1,418.57/42.56
6. Step 6: Final answer
   x = 33.33