Finding the Fourth Proportional to 78.82, 118.16 and 24.68

Step by Step Solution

1. Step 1: Write the proportion equation
   78.82 : 118.16 = 24.68 : x
2. Step 2: Convert to fraction form
   78.82/118.16 = 24.68/x
3. Step 3: Cross multiply
   78.82x = 118.16 × 24.68
4. Step 4: Simplify right side
   78.82x = 2,916.12
5. Step 5: Solve for x
   x = 2,916.12/78.82
6. Step 6: Final answer
   x = 37.00