Finding the Fourth Proportional to 2,405.97, 3,609.59 and 1,019.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.97 : 3,609.59 = 1,019.37 : x
2. Step 2: Convert to fraction form
   2,405.97/3,609.59 = 1,019.37/x
3. Step 3: Cross multiply
   2,405.97x = 3,609.59 × 1,019.37
4. Step 4: Simplify right side
   2,405.97x = 3,679,507.76
5. Step 5: Solve for x
   x = 3,679,507.76/2,405.97
6. Step 6: Final answer
   x = 1,529.32