Finding the Fourth Proportional to 42.81, 59.09 and 24.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42.81 : 59.09 = 24.15 : x
2. Step 2: Convert to fraction form
   42.81/59.09 = 24.15/x
3. Step 3: Cross multiply
   42.81x = 59.09 × 24.15
4. Step 4: Simplify right side
   42.81x = 1,426.73
5. Step 5: Solve for x
   x = 1,426.73/42.81
6. Step 6: Final answer
   x = 33.33