Finding the Fourth Proportional to 111.91, 167.85 and 34.88

Step by Step Solution

1. Step 1: Write the proportion equation
   111.91 : 167.85 = 34.88 : x
2. Step 2: Convert to fraction form
   111.91/167.85 = 34.88/x
3. Step 3: Cross multiply
   111.91x = 167.85 × 34.88
4. Step 4: Simplify right side
   111.91x = 5,853.96
5. Step 5: Solve for x
   x = 5,853.96/111.91
6. Step 6: Final answer
   x = 52.31