Finding the Fourth Proportional to 3,144.93, 4,340.78 and 1,819.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.93 : 4,340.78 = 1,819.46 : x
2. Step 2: Convert to fraction form
   3,144.93/4,340.78 = 1,819.46/x
3. Step 3: Cross multiply
   3,144.93x = 4,340.78 × 1,819.46
4. Step 4: Simplify right side
   3,144.93x = 7,897,844.78
5. Step 5: Solve for x
   x = 7,897,844.78/3,144.93
6. Step 6: Final answer
   x = 2,511.29