Finding the Fourth Proportional to 2,171.38, 3,257.55 and 1,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.38 : 3,257.55 = 1,016.50 : x
2. Step 2: Convert to fraction form
   2,171.38/3,257.55 = 1,016.50/x
3. Step 3: Cross multiply
   2,171.38x = 3,257.55 × 1,016.50
4. Step 4: Simplify right side
   2,171.38x = 3,311,299.58
5. Step 5: Solve for x
   x = 3,311,299.58/2,171.38
6. Step 6: Final answer
   x = 1,524.97