Finding the Fourth Proportional to 2,209.06, 3,047.31 and 1,789.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.06 : 3,047.31 = 1,789.89 : x
2. Step 2: Convert to fraction form
   2,209.06/3,047.31 = 1,789.89/x
3. Step 3: Cross multiply
   2,209.06x = 3,047.31 × 1,789.89
4. Step 4: Simplify right side
   2,209.06x = 5,454,349.70
5. Step 5: Solve for x
   x = 5,454,349.70/2,209.06
6. Step 6: Final answer
   x = 2,469.08