Finding the Fourth Proportional to 105.32, 158.00 and 33.19

Step by Step Solution

1. Step 1: Write the proportion equation
   105.32 : 158.00 = 33.19 : x
2. Step 2: Convert to fraction form
   105.32/158.00 = 33.19/x
3. Step 3: Cross multiply
   105.32x = 158.00 × 33.19
4. Step 4: Simplify right side
   105.32x = 5,243.46
5. Step 5: Solve for x
   x = 5,243.46/105.32
6. Step 6: Final answer
   x = 49.78