Finding the Fourth Proportional to 110.50, 165.71 and 82.82

Step by Step Solution

1. Step 1: Write the proportion equation
   110.50 : 165.71 = 82.82 : x
2. Step 2: Convert to fraction form
   110.50/165.71 = 82.82/x
3. Step 3: Cross multiply
   110.50x = 165.71 × 82.82
4. Step 4: Simplify right side
   110.50x = 13,724.72
5. Step 5: Solve for x
   x = 13,724.72/110.50
6. Step 6: Final answer
   x = 124.21