Finding the Fourth Proportional to 92.15, 127.27 and 82.50

Step by Step Solution

1. Step 1: Write the proportion equation
   92.15 : 127.27 = 82.50 : x
2. Step 2: Convert to fraction form
   92.15/127.27 = 82.50/x
3. Step 3: Cross multiply
   92.15x = 127.27 × 82.50
4. Step 4: Simplify right side
   92.15x = 10,499.78
5. Step 5: Solve for x
   x = 10,499.78/92.15
6. Step 6: Final answer
   x = 113.94