Finding the Fourth Proportional to 2,509.59, 3,763.30 and 1,339.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509.59 : 3,763.30 = 1,339.34 : x
2. Step 2: Convert to fraction form
   2,509.59/3,763.30 = 1,339.34/x
3. Step 3: Cross multiply
   2,509.59x = 3,763.30 × 1,339.34
4. Step 4: Simplify right side
   2,509.59x = 5,040,312.71
5. Step 5: Solve for x
   x = 5,040,312.71/2,509.59
6. Step 6: Final answer
   x = 2,008.42