Finding the Fourth Proportional to 2,406.12, 3,609.55 and 1,019.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.12 : 3,609.55 = 1,019.46 : x
2. Step 2: Convert to fraction form
   2,406.12/3,609.55 = 1,019.46/x
3. Step 3: Cross multiply
   2,406.12x = 3,609.55 × 1,019.46
4. Step 4: Simplify right side
   2,406.12x = 3,679,786.75
5. Step 5: Solve for x
   x = 3,679,786.75/2,406.12
6. Step 6: Final answer
   x = 1,529.34