Finding the Fourth Proportional to 67.51, 101.27 and 53.97

Step by Step Solution

1. Step 1: Write the proportion equation
   67.51 : 101.27 = 53.97 : x
2. Step 2: Convert to fraction form
   67.51/101.27 = 53.97/x
3. Step 3: Cross multiply
   67.51x = 101.27 × 53.97
4. Step 4: Simplify right side
   67.51x = 5,465.54
5. Step 5: Solve for x
   x = 5,465.54/67.51
6. Step 6: Final answer
   x = 80.96