Finding the Fourth Proportional to 105.94, 158.86 and 32.80

Step by Step Solution

1. Step 1: Write the proportion equation
   105.94 : 158.86 = 32.80 : x
2. Step 2: Convert to fraction form
   105.94/158.86 = 32.80/x
3. Step 3: Cross multiply
   105.94x = 158.86 × 32.80
4. Step 4: Simplify right side
   105.94x = 5,210.61
5. Step 5: Solve for x
   x = 5,210.61/105.94
6. Step 6: Final answer
   x = 49.18