Finding the Fourth Proportional to 2,389.68, 3,585.15 and 1,003.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.68 : 3,585.15 = 1,003.14 : x
2. Step 2: Convert to fraction form
   2,389.68/3,585.15 = 1,003.14/x
3. Step 3: Cross multiply
   2,389.68x = 3,585.15 × 1,003.14
4. Step 4: Simplify right side
   2,389.68x = 3,596,407.37
5. Step 5: Solve for x
   x = 3,596,407.37/2,389.68
6. Step 6: Final answer
   x = 1,504.97