Finding the Fourth Proportional to 105.61, 158.37 and 44.71

Step by Step Solution

1. Step 1: Write the proportion equation
   105.61 : 158.37 = 44.71 : x
2. Step 2: Convert to fraction form
   105.61/158.37 = 44.71/x
3. Step 3: Cross multiply
   105.61x = 158.37 × 44.71
4. Step 4: Simplify right side
   105.61x = 7,080.72
5. Step 5: Solve for x
   x = 7,080.72/105.61
6. Step 6: Final answer
   x = 67.05