Finding the Fourth Proportional to 2,209.57, 3,049.22 and 1,214.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.57 : 3,049.22 = 1,214.89 : x
2. Step 2: Convert to fraction form
   2,209.57/3,049.22 = 1,214.89/x
3. Step 3: Cross multiply
   2,209.57x = 3,049.22 × 1,214.89
4. Step 4: Simplify right side
   2,209.57x = 3,704,451.64
5. Step 5: Solve for x
   x = 3,704,451.64/2,209.57
6. Step 6: Final answer
   x = 1,676.55