Finding the Fourth Proportional to 2,209.50, 3,049.54 and 1,313.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.50 : 3,049.54 = 1,313.42 : x
2. Step 2: Convert to fraction form
   2,209.50/3,049.54 = 1,313.42/x
3. Step 3: Cross multiply
   2,209.50x = 3,049.54 × 1,313.42
4. Step 4: Simplify right side
   2,209.50x = 4,005,308.30
5. Step 5: Solve for x
   x = 4,005,308.30/2,209.50
6. Step 6: Final answer
   x = 1,812.77