Finding the Fourth Proportional to 105.82, 158.72 and 33.64

Step by Step Solution

1. Step 1: Write the proportion equation
   105.82 : 158.72 = 33.64 : x
2. Step 2: Convert to fraction form
   105.82/158.72 = 33.64/x
3. Step 3: Cross multiply
   105.82x = 158.72 × 33.64
4. Step 4: Simplify right side
   105.82x = 5,339.34
5. Step 5: Solve for x
   x = 5,339.34/105.82
6. Step 6: Final answer
   x = 50.46