Finding the Fourth Proportional to 105.89, 158.86 and 33.75

Step by Step Solution

1. Step 1: Write the proportion equation
   105.89 : 158.86 = 33.75 : x
2. Step 2: Convert to fraction form
   105.89/158.86 = 33.75/x
3. Step 3: Cross multiply
   105.89x = 158.86 × 33.75
4. Step 4: Simplify right side
   105.89x = 5,361.57
5. Step 5: Solve for x
   x = 5,361.57/105.89
6. Step 6: Final answer
   x = 50.63