Finding the Fourth Proportional to 2,438.22, 3,364.79 and 1,443.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,438.22 : 3,364.79 = 1,443.14 : x
2. Step 2: Convert to fraction form
   2,438.22/3,364.79 = 1,443.14/x
3. Step 3: Cross multiply
   2,438.22x = 3,364.79 × 1,443.14
4. Step 4: Simplify right side
   2,438.22x = 4,855,849.82
5. Step 5: Solve for x
   x = 4,855,849.82/2,438.22
6. Step 6: Final answer
   x = 1,991.56