Finding the Fourth Proportional to 2,209.56, 3,049.11 and 1,214.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.56 : 3,049.11 = 1,214.83 : x
2. Step 2: Convert to fraction form
   2,209.56/3,049.11 = 1,214.83/x
3. Step 3: Cross multiply
   2,209.56x = 3,049.11 × 1,214.83
4. Step 4: Simplify right side
   2,209.56x = 3,704,144.20
5. Step 5: Solve for x
   x = 3,704,144.20/2,209.56
6. Step 6: Final answer
   x = 1,676.42