Finding the Fourth Proportional to 91.59, 125.71 and 82.27

Step by Step Solution

1. Step 1: Write the proportion equation
   91.59 : 125.71 = 82.27 : x
2. Step 2: Convert to fraction form
   91.59/125.71 = 82.27/x
3. Step 3: Cross multiply
   91.59x = 125.71 × 82.27
4. Step 4: Simplify right side
   91.59x = 10,342.16
5. Step 5: Solve for x
   x = 10,342.16/91.59
6. Step 6: Final answer
   x = 112.92