Finding the Fourth Proportional to 111.63, 167.31 and 60.24

Step by Step Solution

1. Step 1: Write the proportion equation
   111.63 : 167.31 = 60.24 : x
2. Step 2: Convert to fraction form
   111.63/167.31 = 60.24/x
3. Step 3: Cross multiply
   111.63x = 167.31 × 60.24
4. Step 4: Simplify right side
   111.63x = 10,078.75
5. Step 5: Solve for x
   x = 10,078.75/111.63
6. Step 6: Final answer
   x = 90.29