Finding the Fourth Proportional to 67.54, 101.22 and 49.42

Step by Step Solution

1. Step 1: Write the proportion equation
   67.54 : 101.22 = 49.42 : x
2. Step 2: Convert to fraction form
   67.54/101.22 = 49.42/x
3. Step 3: Cross multiply
   67.54x = 101.22 × 49.42
4. Step 4: Simplify right side
   67.54x = 5,002.29
5. Step 5: Solve for x
   x = 5,002.29/67.54
6. Step 6: Final answer
   x = 74.06