Finding the Fourth Proportional to 42.09, 63.12 and 24.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42.09 : 63.12 = 24.74 : x
2. Step 2: Convert to fraction form
   42.09/63.12 = 24.74/x
3. Step 3: Cross multiply
   42.09x = 63.12 × 24.74
4. Step 4: Simplify right side
   42.09x = 1,561.59
5. Step 5: Solve for x
   x = 1,561.59/42.09
6. Step 6: Final answer
   x = 37.10