Finding the Fourth Proportional to 2,283.34, 3,147.87 and 1,443.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,283.34 : 3,147.87 = 1,443.62 : x
2. Step 2: Convert to fraction form
   2,283.34/3,147.87 = 1,443.62/x
3. Step 3: Cross multiply
   2,283.34x = 3,147.87 × 1,443.62
4. Step 4: Simplify right side
   2,283.34x = 4,544,337.31
5. Step 5: Solve for x
   x = 4,544,337.31/2,283.34
6. Step 6: Final answer
   x = 1,990.22