Finding the Fourth Proportional to 1,673.92, 2,310.15 and 965.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.92 : 2,310.15 = 965.89 : x
2. Step 2: Convert to fraction form
   1,673.92/2,310.15 = 965.89/x
3. Step 3: Cross multiply
   1,673.92x = 2,310.15 × 965.89
4. Step 4: Simplify right side
   1,673.92x = 2,231,350.78
5. Step 5: Solve for x
   x = 2,231,350.78/1,673.92
6. Step 6: Final answer
   x = 1,333.01