Finding the Fourth Proportional to 67.43, 101.22 and 49.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67.43 : 101.22 = 49.50 : x
2. Step 2: Convert to fraction form
   67.43/101.22 = 49.50/x
3. Step 3: Cross multiply
   67.43x = 101.22 × 49.50
4. Step 4: Simplify right side
   67.43x = 5,010.39
5. Step 5: Solve for x
   x = 5,010.39/67.43
6. Step 6: Final answer
   x = 74.31