Finding the Fourth Proportional to 1,443.68, 1,991.76 and 1,304

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.68 : 1,991.76 = 1,304 : x
2. Step 2: Convert to fraction form
   1,443.68/1,991.76 = 1,304/x
3. Step 3: Cross multiply
   1,443.68x = 1,991.76 × 1,304
4. Step 4: Simplify right side
   1,443.68x = 2,597,255.04
5. Step 5: Solve for x
   x = 2,597,255.04/1,443.68
6. Step 6: Final answer
   x = 1,799.05