Finding the Fourth Proportional to 105.56, 158.33 and 32.43

Step by Step Solution

1. Step 1: Write the proportion equation
   105.56 : 158.33 = 32.43 : x
2. Step 2: Convert to fraction form
   105.56/158.33 = 32.43/x
3. Step 3: Cross multiply
   105.56x = 158.33 × 32.43
4. Step 4: Simplify right side
   105.56x = 5,134.48
5. Step 5: Solve for x
   x = 5,134.48/105.56
6. Step 6: Final answer
   x = 48.64