Finding the Fourth Proportional to 2,509.73, 3,763.43 and 1,339.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509.73 : 3,763.43 = 1,339.42 : x
2. Step 2: Convert to fraction form
   2,509.73/3,763.43 = 1,339.42/x
3. Step 3: Cross multiply
   2,509.73x = 3,763.43 × 1,339.42
4. Step 4: Simplify right side
   2,509.73x = 5,040,787.90
5. Step 5: Solve for x
   x = 5,040,787.90/2,509.73
6. Step 6: Final answer
   x = 2,008.50