Finding the Fourth Proportional to 67.67, 101.49 and 50.49

Step by Step Solution

1. Step 1: Write the proportion equation
   67.67 : 101.49 = 50.49 : x
2. Step 2: Convert to fraction form
   67.67/101.49 = 50.49/x
3. Step 3: Cross multiply
   67.67x = 101.49 × 50.49
4. Step 4: Simplify right side
   67.67x = 5,124.04
5. Step 5: Solve for x
   x = 5,124.04/67.67
6. Step 6: Final answer
   x = 75.72