Finding the Fourth Proportional to 1,673.69, 2,309.33 and 965.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.69 : 2,309.33 = 965.52 : x
2. Step 2: Convert to fraction form
   1,673.69/2,309.33 = 965.52/x
3. Step 3: Cross multiply
   1,673.69x = 2,309.33 × 965.52
4. Step 4: Simplify right side
   1,673.69x = 2,229,699.47
5. Step 5: Solve for x
   x = 2,229,699.47/1,673.69
6. Step 6: Final answer
   x = 1,332.21