Finding the Fourth Proportional to 2,404.52, 3,605.10 and 1,309.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.52 : 3,605.10 = 1,309.40 : x
2. Step 2: Convert to fraction form
   2,404.52/3,605.10 = 1,309.40/x
3. Step 3: Cross multiply
   2,404.52x = 3,605.10 × 1,309.40
4. Step 4: Simplify right side
   2,404.52x = 4,720,517.94
5. Step 5: Solve for x
   x = 4,720,517.94/2,404.52
6. Step 6: Final answer
   x = 1,963.19