Finding the Fourth Proportional to 78.94, 118.37 and 24.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78.94 : 118.37 = 24.82 : x
2. Step 2: Convert to fraction form
   78.94/118.37 = 24.82/x
3. Step 3: Cross multiply
   78.94x = 118.37 × 24.82
4. Step 4: Simplify right side
   78.94x = 2,937.23
5. Step 5: Solve for x
   x = 2,937.23/78.94
6. Step 6: Final answer
   x = 37.21