Finding the Fourth Proportional to 2,389.10, 3,585.06 and 1,002.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.10 : 3,585.06 = 1,002.68 : x
2. Step 2: Convert to fraction form
   2,389.10/3,585.06 = 1,002.68/x
3. Step 3: Cross multiply
   2,389.10x = 3,585.06 × 1,002.68
4. Step 4: Simplify right side
   2,389.10x = 3,594,663.48
5. Step 5: Solve for x
   x = 3,594,663.48/2,389.10
6. Step 6: Final answer
   x = 1,504.61