Finding the Fourth Proportional to 67.82, 101.74 and 40.42

Step by Step Solution

1. Step 1: Write the proportion equation
   67.82 : 101.74 = 40.42 : x
2. Step 2: Convert to fraction form
   67.82/101.74 = 40.42/x
3. Step 3: Cross multiply
   67.82x = 101.74 × 40.42
4. Step 4: Simplify right side
   67.82x = 4,112.33
5. Step 5: Solve for x
   x = 4,112.33/67.82
6. Step 6: Final answer
   x = 60.64