Finding the Fourth Proportional to 105.67, 158.52 and 44.79

Step by Step Solution

1. Step 1: Write the proportion equation
   105.67 : 158.52 = 44.79 : x
2. Step 2: Convert to fraction form
   105.67/158.52 = 44.79/x
3. Step 3: Cross multiply
   105.67x = 158.52 × 44.79
4. Step 4: Simplify right side
   105.67x = 7,099.89
5. Step 5: Solve for x
   x = 7,099.89/105.67
6. Step 6: Final answer
   x = 67.19