Finding the Fourth Proportional to 3,404.77, 4,694.79 and 2,144.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.77 : 4,694.79 = 2,144.31 : x
2. Step 2: Convert to fraction form
   3,404.77/4,694.79 = 2,144.31/x
3. Step 3: Cross multiply
   3,404.77x = 4,694.79 × 2,144.31
4. Step 4: Simplify right side
   3,404.77x = 10,067,075.58
5. Step 5: Solve for x
   x = 10,067,075.58/3,404.77
6. Step 6: Final answer
   x = 2,956.76