Finding the Fourth Proportional to 111.50, 167.28 and 63.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111.50 : 167.28 = 63.38 : x
2. Step 2: Convert to fraction form
   111.50/167.28 = 63.38/x
3. Step 3: Cross multiply
   111.50x = 167.28 × 63.38
4. Step 4: Simplify right side
   111.50x = 10,602.21
5. Step 5: Solve for x
   x = 10,602.21/111.50
6. Step 6: Final answer
   x = 95.09