Finding the Fourth Proportional to 82.82, 114.42 and 67.38

Step by Step Solution

1. Step 1: Write the proportion equation
   82.82 : 114.42 = 67.38 : x
2. Step 2: Convert to fraction form
   82.82/114.42 = 67.38/x
3. Step 3: Cross multiply
   82.82x = 114.42 × 67.38
4. Step 4: Simplify right side
   82.82x = 7,709.62
5. Step 5: Solve for x
   x = 7,709.62/82.82
6. Step 6: Final answer
   x = 93.09