Finding the Fourth Proportional to 2,405.86, 3,608.94 and 1,019.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.86 : 3,608.94 = 1,019.02 : x
2. Step 2: Convert to fraction form
   2,405.86/3,608.94 = 1,019.02/x
3. Step 3: Cross multiply
   2,405.86x = 3,608.94 × 1,019.02
4. Step 4: Simplify right side
   2,405.86x = 3,677,582.04
5. Step 5: Solve for x
   x = 3,677,582.04/2,405.86
6. Step 6: Final answer
   x = 1,528.59