Finding the Fourth Proportional to 2,326.61, 3,490.37 and 1,028.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.61 : 3,490.37 = 1,028.09 : x
2. Step 2: Convert to fraction form
   2,326.61/3,490.37 = 1,028.09/x
3. Step 3: Cross multiply
   2,326.61x = 3,490.37 × 1,028.09
4. Step 4: Simplify right side
   2,326.61x = 3,588,391.90
5. Step 5: Solve for x
   x = 3,588,391.90/2,326.61
6. Step 6: Final answer
   x = 1,542.33