Finding the Fourth Proportional to 67.94, 102.01 and 54.37

Step by Step Solution

1. Step 1: Write the proportion equation
   67.94 : 102.01 = 54.37 : x
2. Step 2: Convert to fraction form
   67.94/102.01 = 54.37/x
3. Step 3: Cross multiply
   67.94x = 102.01 × 54.37
4. Step 4: Simplify right side
   67.94x = 5,546.38
5. Step 5: Solve for x
   x = 5,546.38/67.94
6. Step 6: Final answer
   x = 81.64