Finding the Fourth Proportional to 82.67, 114.15 and 67.29

Step by Step Solution

1. Step 1: Write the proportion equation
   82.67 : 114.15 = 67.29 : x
2. Step 2: Convert to fraction form
   82.67/114.15 = 67.29/x
3. Step 3: Cross multiply
   82.67x = 114.15 × 67.29
4. Step 4: Simplify right side
   82.67x = 7,681.15
5. Step 5: Solve for x
   x = 7,681.15/82.67
6. Step 6: Final answer
   x = 92.91