Finding the Fourth Proportional to 2,405.29, 3,605.94 and 1,019.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.29 : 3,605.94 = 1,019.71 : x
2. Step 2: Convert to fraction form
   2,405.29/3,605.94 = 1,019.71/x
3. Step 3: Cross multiply
   2,405.29x = 3,605.94 × 1,019.71
4. Step 4: Simplify right side
   2,405.29x = 3,677,013.08
5. Step 5: Solve for x
   x = 3,677,013.08/2,405.29
6. Step 6: Final answer
   x = 1,528.72