Finding the Fourth Proportional to 67.94, 101.88 and 31.82

Step by Step Solution

1. Step 1: Write the proportion equation
   67.94 : 101.88 = 31.82 : x
2. Step 2: Convert to fraction form
   67.94/101.88 = 31.82/x
3. Step 3: Cross multiply
   67.94x = 101.88 × 31.82
4. Step 4: Simplify right side
   67.94x = 3,241.82
5. Step 5: Solve for x
   x = 3,241.82/67.94
6. Step 6: Final answer
   x = 47.72