Finding the Fourth Proportional to 105.63, 158.49 and 105.33

Step by Step Solution

1. Step 1: Write the proportion equation
   105.63 : 158.49 = 105.33 : x
2. Step 2: Convert to fraction form
   105.63/158.49 = 105.33/x
3. Step 3: Cross multiply
   105.63x = 158.49 × 105.33
4. Step 4: Simplify right side
   105.63x = 16,693.75
5. Step 5: Solve for x
   x = 16,693.75/105.63
6. Step 6: Final answer
   x = 158.04