Finding the Fourth Proportional to 111.32, 166.99 and 34.27

Step by Step Solution

1. Step 1: Write the proportion equation
   111.32 : 166.99 = 34.27 : x
2. Step 2: Convert to fraction form
   111.32/166.99 = 34.27/x
3. Step 3: Cross multiply
   111.32x = 166.99 × 34.27
4. Step 4: Simplify right side
   111.32x = 5,723.34
5. Step 5: Solve for x
   x = 5,723.34/111.32
6. Step 6: Final answer
   x = 51.42