Finding the Fourth Proportional to 2,326.80, 3,210.06 and 1,443

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.80 : 3,210.06 = 1,443 : x
2. Step 2: Convert to fraction form
   2,326.80/3,210.06 = 1,443/x
3. Step 3: Cross multiply
   2,326.80x = 3,210.06 × 1,443
4. Step 4: Simplify right side
   2,326.80x = 4,632,116.58
5. Step 5: Solve for x
   x = 4,632,116.58/2,326.80
6. Step 6: Final answer
   x = 1,990.77