Finding the Fourth Proportional to 105.64, 158.42 and 33.46

Step by Step Solution

1. Step 1: Write the proportion equation
   105.64 : 158.42 = 33.46 : x
2. Step 2: Convert to fraction form
   105.64/158.42 = 33.46/x
3. Step 3: Cross multiply
   105.64x = 158.42 × 33.46
4. Step 4: Simplify right side
   105.64x = 5,300.42
5. Step 5: Solve for x
   x = 5,300.42/105.64
6. Step 6: Final answer
   x = 50.18