Finding the Fourth Proportional to 105.43, 158.16 and 33.27

Step by Step Solution

1. Step 1: Write the proportion equation
   105.43 : 158.16 = 33.27 : x
2. Step 2: Convert to fraction form
   105.43/158.16 = 33.27/x
3. Step 3: Cross multiply
   105.43x = 158.16 × 33.27
4. Step 4: Simplify right side
   105.43x = 5,261.03
5. Step 5: Solve for x
   x = 5,261.03/105.43
6. Step 6: Final answer
   x = 49.90