Finding the Fourth Proportional to 2,604.71, 3,590.80 and 1,609.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.71 : 3,590.80 = 1,609.43 : x
2. Step 2: Convert to fraction form
   2,604.71/3,590.80 = 1,609.43/x
3. Step 3: Cross multiply
   2,604.71x = 3,590.80 × 1,609.43
4. Step 4: Simplify right side
   2,604.71x = 5,779,119.27
5. Step 5: Solve for x
   x = 5,779,119.27/2,604.71
6. Step 6: Final answer
   x = 2,218.72