Finding the Fourth Proportional to 2,573.38, 3,549.69 and 1,640.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.38 : 3,549.69 = 1,640.26 : x
2. Step 2: Convert to fraction form
   2,573.38/3,549.69 = 1,640.26/x
3. Step 3: Cross multiply
   2,573.38x = 3,549.69 × 1,640.26
4. Step 4: Simplify right side
   2,573.38x = 5,822,414.52
5. Step 5: Solve for x
   x = 5,822,414.52/2,573.38
6. Step 6: Final answer
   x = 2,262.56