Finding the Fourth Proportional to 2,389.43, 3,582.39 and 1,607.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.43 : 3,582.39 = 1,607.49 : x
2. Step 2: Convert to fraction form
   2,389.43/3,582.39 = 1,607.49/x
3. Step 3: Cross multiply
   2,389.43x = 3,582.39 × 1,607.49
4. Step 4: Simplify right side
   2,389.43x = 5,758,656.10
5. Step 5: Solve for x
   x = 5,758,656.10/2,389.43
6. Step 6: Final answer
   x = 2,410.06