Finding the Fourth Proportional to 111.86, 167.73 and 34.79

Step by Step Solution

1. Step 1: Write the proportion equation
   111.86 : 167.73 = 34.79 : x
2. Step 2: Convert to fraction form
   111.86/167.73 = 34.79/x
3. Step 3: Cross multiply
   111.86x = 167.73 × 34.79
4. Step 4: Simplify right side
   111.86x = 5,835.88
5. Step 5: Solve for x
   x = 5,835.88/111.86
6. Step 6: Final answer
   x = 52.17