Finding the Fourth Proportional to 3,519.40, 4,856.71 and 2,027.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,519.40 : 4,856.71 = 2,027.31 : x
2. Step 2: Convert to fraction form
   3,519.40/4,856.71 = 2,027.31/x
3. Step 3: Cross multiply
   3,519.40x = 4,856.71 × 2,027.31
4. Step 4: Simplify right side
   3,519.40x = 9,846,068.89
5. Step 5: Solve for x
   x = 9,846,068.89/3,519.40
6. Step 6: Final answer
   x = 2,797.66