Finding the Fourth Proportional to 105.54, 158.33 and 33.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105.54 : 158.33 = 33.42 : x
2. Step 2: Convert to fraction form
   105.54/158.33 = 33.42/x
3. Step 3: Cross multiply
   105.54x = 158.33 × 33.42
4. Step 4: Simplify right side
   105.54x = 5,291.39
5. Step 5: Solve for x
   x = 5,291.39/105.54
6. Step 6: Final answer
   x = 50.14