Finding the Fourth Proportional to 111.41, 167.09 and 60.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111.41 : 167.09 = 60.02 : x
2. Step 2: Convert to fraction form
   111.41/167.09 = 60.02/x
3. Step 3: Cross multiply
   111.41x = 167.09 × 60.02
4. Step 4: Simplify right side
   111.41x = 10,028.86
5. Step 5: Solve for x
   x = 10,028.86/111.41
6. Step 6: Final answer
   x = 90.02