Finding the Fourth Proportional to 78.72, 118.07 and 24.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78.72 : 118.07 = 24.62 : x
2. Step 2: Convert to fraction form
   78.72/118.07 = 24.62/x
3. Step 3: Cross multiply
   78.72x = 118.07 × 24.62
4. Step 4: Simplify right side
   78.72x = 2,906.88
5. Step 5: Solve for x
   x = 2,906.88/78.72
6. Step 6: Final answer
   x = 36.93