Finding the Fourth Proportional to 123.82, 185.48 and 118.18

Step by Step Solution

1. Step 1: Write the proportion equation
   123.82 : 185.48 = 118.18 : x
2. Step 2: Convert to fraction form
   123.82/185.48 = 118.18/x
3. Step 3: Cross multiply
   123.82x = 185.48 × 118.18
4. Step 4: Simplify right side
   123.82x = 21,920.03
5. Step 5: Solve for x
   x = 21,920.03/123.82
6. Step 6: Final answer
   x = 177.03