Finding the Fourth Proportional to 67.37, 101.05 and 53.82

Step by Step Solution

1. Step 1: Write the proportion equation
   67.37 : 101.05 = 53.82 : x
2. Step 2: Convert to fraction form
   67.37/101.05 = 53.82/x
3. Step 3: Cross multiply
   67.37x = 101.05 × 53.82
4. Step 4: Simplify right side
   67.37x = 5,438.38
5. Step 5: Solve for x
   x = 5,438.38/67.37
6. Step 6: Final answer
   x = 80.73