Finding the Fourth Proportional to 2,405.49, 3,319.56 and 1,410.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.49 : 3,319.56 = 1,410.57 : x
2. Step 2: Convert to fraction form
   2,405.49/3,319.56 = 1,410.57/x
3. Step 3: Cross multiply
   2,405.49x = 3,319.56 × 1,410.57
4. Step 4: Simplify right side
   2,405.49x = 4,682,471.75
5. Step 5: Solve for x
   x = 4,682,471.75/2,405.49
6. Step 6: Final answer
   x = 1,946.58