Finding the Fourth Proportional to 1,404.69, 2,107.17 and 673.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.69 : 2,107.17 = 673.62 : x
2. Step 2: Convert to fraction form
   1,404.69/2,107.17 = 673.62/x
3. Step 3: Cross multiply
   1,404.69x = 2,107.17 × 673.62
4. Step 4: Simplify right side
   1,404.69x = 1,419,431.86
5. Step 5: Solve for x
   x = 1,419,431.86/1,404.69
6. Step 6: Final answer
   x = 1,010.49