Finding the Fourth Proportional to 1,663.34, 2,295.69 and 965.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.34 : 2,295.69 = 965.12 : x
2. Step 2: Convert to fraction form
   1,663.34/2,295.69 = 965.12/x
3. Step 3: Cross multiply
   1,663.34x = 2,295.69 × 965.12
4. Step 4: Simplify right side
   1,663.34x = 2,215,616.33
5. Step 5: Solve for x
   x = 2,215,616.33/1,663.34
6. Step 6: Final answer
   x = 1,332.03