Finding the Fourth Proportional to 67.74, 101.50 and 50.54

Step by Step Solution

1. Step 1: Write the proportion equation
   67.74 : 101.50 = 50.54 : x
2. Step 2: Convert to fraction form
   67.74/101.50 = 50.54/x
3. Step 3: Cross multiply
   67.74x = 101.50 × 50.54
4. Step 4: Simplify right side
   67.74x = 5,129.56
5. Step 5: Solve for x
   x = 5,129.56/67.74
6. Step 6: Final answer
   x = 75.73