Finding the Fourth Proportional to 42.37, 63.48 and 24.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42.37 : 63.48 = 24.31 : x
2. Step 2: Convert to fraction form
   42.37/63.48 = 24.31/x
3. Step 3: Cross multiply
   42.37x = 63.48 × 24.31
4. Step 4: Simplify right side
   42.37x = 1,543.20
5. Step 5: Solve for x
   x = 1,543.20/42.37
6. Step 6: Final answer
   x = 36.42