Finding the Fourth Proportional to 105.39, 158.09 and 33.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105.39 : 158.09 = 33.25 : x
2. Step 2: Convert to fraction form
   105.39/158.09 = 33.25/x
3. Step 3: Cross multiply
   105.39x = 158.09 × 33.25
4. Step 4: Simplify right side
   105.39x = 5,256.49
5. Step 5: Solve for x
   x = 5,256.49/105.39
6. Step 6: Final answer
   x = 49.88