Finding the Fourth Proportional to 1,647.85, 2,470.34 and 673.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.85 : 2,470.34 = 673.33 : x
2. Step 2: Convert to fraction form
   1,647.85/2,470.34 = 673.33/x
3. Step 3: Cross multiply
   1,647.85x = 2,470.34 × 673.33
4. Step 4: Simplify right side
   1,647.85x = 1,663,354.03
5. Step 5: Solve for x
   x = 1,663,354.03/1,647.85
6. Step 6: Final answer
   x = 1,009.41