Finding the Fourth Proportional to 111.83, 167.73 and 63.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111.83 : 167.73 = 63.71 : x
2. Step 2: Convert to fraction form
   111.83/167.73 = 63.71/x
3. Step 3: Cross multiply
   111.83x = 167.73 × 63.71
4. Step 4: Simplify right side
   111.83x = 10,686.08
5. Step 5: Solve for x
   x = 10,686.08/111.83
6. Step 6: Final answer
   x = 95.56