Finding the Fourth Proportional to 111.88, 167.56 and 63.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111.88 : 167.56 = 63.76 : x
2. Step 2: Convert to fraction form
   111.88/167.56 = 63.76/x
3. Step 3: Cross multiply
   111.88x = 167.56 × 63.76
4. Step 4: Simplify right side
   111.88x = 10,683.63
5. Step 5: Solve for x
   x = 10,683.63/111.88
6. Step 6: Final answer
   x = 95.49