Finding the Fourth Proportional to 111.37, 167.18 and 60.11

Step by Step Solution

1. Step 1: Write the proportion equation
   111.37 : 167.18 = 60.11 : x
2. Step 2: Convert to fraction form
   111.37/167.18 = 60.11/x
3. Step 3: Cross multiply
   111.37x = 167.18 × 60.11
4. Step 4: Simplify right side
   111.37x = 10,049.76
5. Step 5: Solve for x
   x = 10,049.76/111.37
6. Step 6: Final answer
   x = 90.24