Finding the Fourth Proportional to 105.99, 159.02 and 33.86

Step by Step Solution

1. Step 1: Write the proportion equation
   105.99 : 159.02 = 33.86 : x
2. Step 2: Convert to fraction form
   105.99/159.02 = 33.86/x
3. Step 3: Cross multiply
   105.99x = 159.02 × 33.86
4. Step 4: Simplify right side
   105.99x = 5,383.45
5. Step 5: Solve for x
   x = 5,383.45/105.99
6. Step 6: Final answer
   x = 50.79