Finding the Fourth Proportional to 1,441.75, 1,988.84 and 964.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.75 : 1,988.84 = 964.03 : x
2. Step 2: Convert to fraction form
   1,441.75/1,988.84 = 964.03/x
3. Step 3: Cross multiply
   1,441.75x = 1,988.84 × 964.03
4. Step 4: Simplify right side
   1,441.75x = 1,917,291.58
5. Step 5: Solve for x
   x = 1,917,291.58/1,441.75
6. Step 6: Final answer
   x = 1,329.84