Finding the Fourth Proportional to 72.48, 108.72 and 24.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72.48 : 108.72 = 24.38 : x
2. Step 2: Convert to fraction form
   72.48/108.72 = 24.38/x
3. Step 3: Cross multiply
   72.48x = 108.72 × 24.38
4. Step 4: Simplify right side
   72.48x = 2,650.59
5. Step 5: Solve for x
   x = 2,650.59/72.48
6. Step 6: Final answer
   x = 36.57