Finding the Fourth Proportional to 111.52, 167.64 and 106.48

Step by Step Solution

1. Step 1: Write the proportion equation
   111.52 : 167.64 = 106.48 : x
2. Step 2: Convert to fraction form
   111.52/167.64 = 106.48/x
3. Step 3: Cross multiply
   111.52x = 167.64 × 106.48
4. Step 4: Simplify right side
   111.52x = 17,850.31
5. Step 5: Solve for x
   x = 17,850.31/111.52
6. Step 6: Final answer
   x = 160.06