Finding the Fourth Proportional to 105.61, 158.41 and 33.47

Step by Step Solution

1. Step 1: Write the proportion equation
   105.61 : 158.41 = 33.47 : x
2. Step 2: Convert to fraction form
   105.61/158.41 = 33.47/x
3. Step 3: Cross multiply
   105.61x = 158.41 × 33.47
4. Step 4: Simplify right side
   105.61x = 5,301.98
5. Step 5: Solve for x
   x = 5,301.98/105.61
6. Step 6: Final answer
   x = 50.20