Finding the Fourth Proportional to 111.59, 167.34 and 34.54

Step by Step Solution

1. Step 1: Write the proportion equation
   111.59 : 167.34 = 34.54 : x
2. Step 2: Convert to fraction form
   111.59/167.34 = 34.54/x
3. Step 3: Cross multiply
   111.59x = 167.34 × 34.54
4. Step 4: Simplify right side
   111.59x = 5,779.44
5. Step 5: Solve for x
   x = 5,779.44/111.59
6. Step 6: Final answer
   x = 51.79