Finding the Fourth Proportional to 105.32, 158.01 and 33.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105.32 : 158.01 = 33.18 : x
2. Step 2: Convert to fraction form
   105.32/158.01 = 33.18/x
3. Step 3: Cross multiply
   105.32x = 158.01 × 33.18
4. Step 4: Simplify right side
   105.32x = 5,242.77
5. Step 5: Solve for x
   x = 5,242.77/105.32
6. Step 6: Final answer
   x = 49.78