Finding the Fourth Proportional to 105.87, 158.82 and 28.83

Step by Step Solution

1. Step 1: Write the proportion equation
   105.87 : 158.82 = 28.83 : x
2. Step 2: Convert to fraction form
   105.87/158.82 = 28.83/x
3. Step 3: Cross multiply
   105.87x = 158.82 × 28.83
4. Step 4: Simplify right side
   105.87x = 4,579.43
5. Step 5: Solve for x
   x = 4,579.43/105.87
6. Step 6: Final answer
   x = 43.25