Finding the Fourth Proportional to 2,328.98, 3,211.80 and 1,443.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,328.98 : 3,211.80 = 1,443.56 : x
2. Step 2: Convert to fraction form
   2,328.98/3,211.80 = 1,443.56/x
3. Step 3: Cross multiply
   2,328.98x = 3,211.80 × 1,443.56
4. Step 4: Simplify right side
   2,328.98x = 4,636,426.01
5. Step 5: Solve for x
   x = 4,636,426.01/2,328.98
6. Step 6: Final answer
   x = 1,990.75