Finding the Fourth Proportional to 111.72, 167.60 and 63.06

Step by Step Solution

1. Step 1: Write the proportion equation
   111.72 : 167.60 = 63.06 : x
2. Step 2: Convert to fraction form
   111.72/167.60 = 63.06/x
3. Step 3: Cross multiply
   111.72x = 167.60 × 63.06
4. Step 4: Simplify right side
   111.72x = 10,568.86
5. Step 5: Solve for x
   x = 10,568.86/111.72
6. Step 6: Final answer
   x = 94.60