Finding the Fourth Proportional to 2,215.14, 3,057.92 and 1,684.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.14 : 3,057.92 = 1,684.18 : x
2. Step 2: Convert to fraction form
   2,215.14/3,057.92 = 1,684.18/x
3. Step 3: Cross multiply
   2,215.14x = 3,057.92 × 1,684.18
4. Step 4: Simplify right side
   2,215.14x = 5,150,087.71
5. Step 5: Solve for x
   x = 5,150,087.71/2,215.14
6. Step 6: Final answer
   x = 2,324.95