Finding the Fourth Proportional to 2,406.45, 3,610.05 and 1,019.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.45 : 3,610.05 = 1,019.79 : x
2. Step 2: Convert to fraction form
   2,406.45/3,610.05 = 1,019.79/x
3. Step 3: Cross multiply
   2,406.45x = 3,610.05 × 1,019.79
4. Step 4: Simplify right side
   2,406.45x = 3,681,469.74
5. Step 5: Solve for x
   x = 3,681,469.74/2,406.45
6. Step 6: Final answer
   x = 1,529.84