Finding the Fourth Proportional to 1,441.49, 1,988.48 and 963.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.49 : 1,988.48 = 963.77 : x
2. Step 2: Convert to fraction form
   1,441.49/1,988.48 = 963.77/x
3. Step 3: Cross multiply
   1,441.49x = 1,988.48 × 963.77
4. Step 4: Simplify right side
   1,441.49x = 1,916,443.47
5. Step 5: Solve for x
   x = 1,916,443.47/1,441.49
6. Step 6: Final answer
   x = 1,329.48