Finding the Fourth Proportional to 111.82, 167.06 and 108.04

Step by Step Solution

1. Step 1: Write the proportion equation
   111.82 : 167.06 = 108.04 : x
2. Step 2: Convert to fraction form
   111.82/167.06 = 108.04/x
3. Step 3: Cross multiply
   111.82x = 167.06 × 108.04
4. Step 4: Simplify right side
   111.82x = 18,049.16
5. Step 5: Solve for x
   x = 18,049.16/111.82
6. Step 6: Final answer
   x = 161.41