Finding the Fourth Proportional to 105.58, 158.41 and 44.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105.58 : 158.41 = 44.72 : x
2. Step 2: Convert to fraction form
   105.58/158.41 = 44.72/x
3. Step 3: Cross multiply
   105.58x = 158.41 × 44.72
4. Step 4: Simplify right side
   105.58x = 7,084.10
5. Step 5: Solve for x
   x = 7,084.10/105.58
6. Step 6: Final answer
   x = 67.10