Finding the Fourth Proportional to 67.27, 100.75 and 52.73

Step by Step Solution

1. Step 1: Write the proportion equation
   67.27 : 100.75 = 52.73 : x
2. Step 2: Convert to fraction form
   67.27/100.75 = 52.73/x
3. Step 3: Cross multiply
   67.27x = 100.75 × 52.73
4. Step 4: Simplify right side
   67.27x = 5,311.91
5. Step 5: Solve for x
   x = 5,311.91/67.27
6. Step 6: Final answer
   x = 78.96