Finding the Fourth Proportional to 2,229.56, 3,075.77 and 1,443.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.56 : 3,075.77 = 1,443.86 : x
2. Step 2: Convert to fraction form
   2,229.56/3,075.77 = 1,443.86/x
3. Step 3: Cross multiply
   2,229.56x = 3,075.77 × 1,443.86
4. Step 4: Simplify right side
   2,229.56x = 4,440,971.78
5. Step 5: Solve for x
   x = 4,440,971.78/2,229.56
6. Step 6: Final answer
   x = 1,991.86