Finding the Fourth Proportional to 2,339.73, 3,228.16 and 1,443.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.73 : 3,228.16 = 1,443.17 : x
2. Step 2: Convert to fraction form
   2,339.73/3,228.16 = 1,443.17/x
3. Step 3: Cross multiply
   2,339.73x = 3,228.16 × 1,443.17
4. Step 4: Simplify right side
   2,339.73x = 4,658,783.67
5. Step 5: Solve for x
   x = 4,658,783.67/2,339.73
6. Step 6: Final answer
   x = 1,991.16