Finding the Fourth Proportional to 82.96, 114.59 and 82.82

Step by Step Solution

1. Step 1: Write the proportion equation
   82.96 : 114.59 = 82.82 : x
2. Step 2: Convert to fraction form
   82.96/114.59 = 82.82/x
3. Step 3: Cross multiply
   82.96x = 114.59 × 82.82
4. Step 4: Simplify right side
   82.96x = 9,490.34
5. Step 5: Solve for x
   x = 9,490.34/82.96
6. Step 6: Final answer
   x = 114.40