Finding the Fourth Proportional to 111.94, 167.91 and 63.94

Step by Step Solution

1. Step 1: Write the proportion equation
   111.94 : 167.91 = 63.94 : x
2. Step 2: Convert to fraction form
   111.94/167.91 = 63.94/x
3. Step 3: Cross multiply
   111.94x = 167.91 × 63.94
4. Step 4: Simplify right side
   111.94x = 10,736.17
5. Step 5: Solve for x
   x = 10,736.17/111.94
6. Step 6: Final answer
   x = 95.91