Finding the Fourth Proportional to 2,229.30, 3,075.12 and 1,443.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.30 : 3,075.12 = 1,443.33 : x
2. Step 2: Convert to fraction form
   2,229.30/3,075.12 = 1,443.33/x
3. Step 3: Cross multiply
   2,229.30x = 3,075.12 × 1,443.33
4. Step 4: Simplify right side
   2,229.30x = 4,438,412.95
5. Step 5: Solve for x
   x = 4,438,412.95/2,229.30
6. Step 6: Final answer
   x = 1,990.94