Finding the Fourth Proportional to 2,519.69, 3,778.40 and 1,349.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.69 : 3,778.40 = 1,349.51 : x
2. Step 2: Convert to fraction form
   2,519.69/3,778.40 = 1,349.51/x
3. Step 3: Cross multiply
   2,519.69x = 3,778.40 × 1,349.51
4. Step 4: Simplify right side
   2,519.69x = 5,098,962.94
5. Step 5: Solve for x
   x = 5,098,962.94/2,519.69
6. Step 6: Final answer
   x = 2,023.65