Finding the Fourth Proportional to 105.50, 158.18 and 44.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105.50 : 158.18 = 44.56 : x
2. Step 2: Convert to fraction form
   105.50/158.18 = 44.56/x
3. Step 3: Cross multiply
   105.50x = 158.18 × 44.56
4. Step 4: Simplify right side
   105.50x = 7,048.50
5. Step 5: Solve for x
   x = 7,048.50/105.50
6. Step 6: Final answer
   x = 66.81