Finding the Fourth Proportional to 105.91, 158.83 and 33.75

Step by Step Solution

1. Step 1: Write the proportion equation
   105.91 : 158.83 = 33.75 : x
2. Step 2: Convert to fraction form
   105.91/158.83 = 33.75/x
3. Step 3: Cross multiply
   105.91x = 158.83 × 33.75
4. Step 4: Simplify right side
   105.91x = 5,360.43
5. Step 5: Solve for x
   x = 5,360.43/105.91
6. Step 6: Final answer
   x = 50.61