Finding the Fourth Proportional to 2,456.87, 3,665.45 and 2,210.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.87 : 3,665.45 = 2,210.22 : x
2. Step 2: Convert to fraction form
   2,456.87/3,665.45 = 2,210.22/x
3. Step 3: Cross multiply
   2,456.87x = 3,665.45 × 2,210.22
4. Step 4: Simplify right side
   2,456.87x = 8,101,456.42
5. Step 5: Solve for x
   x = 8,101,456.42/2,456.87
6. Step 6: Final answer
   x = 3,297.48