Finding the Fourth Proportional to 83.73, 114.72 and 82.71

Step by Step Solution

1. Step 1: Write the proportion equation
   83.73 : 114.72 = 82.71 : x
2. Step 2: Convert to fraction form
   83.73/114.72 = 82.71/x
3. Step 3: Cross multiply
   83.73x = 114.72 × 82.71
4. Step 4: Simplify right side
   83.73x = 9,488.49
5. Step 5: Solve for x
   x = 9,488.49/83.73
6. Step 6: Final answer
   x = 113.32