Finding the Fourth Proportional to 78.94, 118.49 and 44.74

Step by Step Solution

1. Step 1: Write the proportion equation
   78.94 : 118.49 = 44.74 : x
2. Step 2: Convert to fraction form
   78.94/118.49 = 44.74/x
3. Step 3: Cross multiply
   78.94x = 118.49 × 44.74
4. Step 4: Simplify right side
   78.94x = 5,300.72
5. Step 5: Solve for x
   x = 5,300.72/78.94
6. Step 6: Final answer
   x = 67.15