Finding the Fourth Proportional to 111.38, 167.00 and 65.68

Step by Step Solution

1. Step 1: Write the proportion equation
   111.38 : 167.00 = 65.68 : x
2. Step 2: Convert to fraction form
   111.38/167.00 = 65.68/x
3. Step 3: Cross multiply
   111.38x = 167.00 × 65.68
4. Step 4: Simplify right side
   111.38x = 10,967.81
5. Step 5: Solve for x
   x = 10,967.81/111.38
6. Step 6: Final answer
   x = 98.48