Finding the Fourth Proportional to 67.55, 101.25 and 49.55

Step by Step Solution

1. Step 1: Write the proportion equation
   67.55 : 101.25 = 49.55 : x
2. Step 2: Convert to fraction form
   67.55/101.25 = 49.55/x
3. Step 3: Cross multiply
   67.55x = 101.25 × 49.55
4. Step 4: Simplify right side
   67.55x = 5,016.43
5. Step 5: Solve for x
   x = 5,016.43/67.55
6. Step 6: Final answer
   x = 74.27