Finding the Fourth Proportional to 2,320.82, 3,478.80 and 1,443.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.82 : 3,478.80 = 1,443.32 : x
2. Step 2: Convert to fraction form
   2,320.82/3,478.80 = 1,443.32/x
3. Step 3: Cross multiply
   2,320.82x = 3,478.80 × 1,443.32
4. Step 4: Simplify right side
   2,320.82x = 5,021,021.62
5. Step 5: Solve for x
   x = 5,021,021.62/2,320.82
6. Step 6: Final answer
   x = 2,163.47