Finding the Fourth Proportional to 3,856.52, 5,321.22 and 2,459

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.52 : 5,321.22 = 2,459 : x
2. Step 2: Convert to fraction form
   3,856.52/5,321.22 = 2,459/x
3. Step 3: Cross multiply
   3,856.52x = 5,321.22 × 2,459
4. Step 4: Simplify right side
   3,856.52x = 13,084,879.98
5. Step 5: Solve for x
   x = 13,084,879.98/3,856.52
6. Step 6: Final answer
   x = 3,392.92