Finding the Fourth Proportional to 2,809.04, 4,210.21 and 1,306.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809.04 : 4,210.21 = 1,306.03 : x
2. Step 2: Convert to fraction form
   2,809.04/4,210.21 = 1,306.03/x
3. Step 3: Cross multiply
   2,809.04x = 4,210.21 × 1,306.03
4. Step 4: Simplify right side
   2,809.04x = 5,498,667.46
5. Step 5: Solve for x
   x = 5,498,667.46/2,809.04
6. Step 6: Final answer
   x = 1,957.49