Finding the Fourth Proportional to 1,607.30, 2,411.15 and 683.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.30 : 2,411.15 = 683.49 : x
2. Step 2: Convert to fraction form
   1,607.30/2,411.15 = 683.49/x
3. Step 3: Cross multiply
   1,607.30x = 2,411.15 × 683.49
4. Step 4: Simplify right side
   1,607.30x = 1,647,996.91
5. Step 5: Solve for x
   x = 1,647,996.91/1,607.30
6. Step 6: Final answer
   x = 1,025.32