Finding the Fourth Proportional to 111.97, 167.91 and 34.91

Step by Step Solution

1. Step 1: Write the proportion equation
   111.97 : 167.91 = 34.91 : x
2. Step 2: Convert to fraction form
   111.97/167.91 = 34.91/x
3. Step 3: Cross multiply
   111.97x = 167.91 × 34.91
4. Step 4: Simplify right side
   111.97x = 5,862.34
5. Step 5: Solve for x
   x = 5,862.34/111.97
6. Step 6: Final answer
   x = 52.36