Finding the Fourth Proportional to 123.52, 170.52 and 116.82

Step by Step Solution

1. Step 1: Write the proportion equation
   123.52 : 170.52 = 116.82 : x
2. Step 2: Convert to fraction form
   123.52/170.52 = 116.82/x
3. Step 3: Cross multiply
   123.52x = 170.52 × 116.82
4. Step 4: Simplify right side
   123.52x = 19,920.15
5. Step 5: Solve for x
   x = 19,920.15/123.52
6. Step 6: Final answer
   x = 161.27