Finding the Fourth Proportional to 111.48, 167.22 and 63.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111.48 : 167.22 = 63.42 : x
2. Step 2: Convert to fraction form
   111.48/167.22 = 63.42/x
3. Step 3: Cross multiply
   111.48x = 167.22 × 63.42
4. Step 4: Simplify right side
   111.48x = 10,605.09
5. Step 5: Solve for x
   x = 10,605.09/111.48
6. Step 6: Final answer
   x = 95.13