Finding the Fourth Proportional to 2,603.80, 3,895.98 and 1,443.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.80 : 3,895.98 = 1,443.88 : x
2. Step 2: Convert to fraction form
   2,603.80/3,895.98 = 1,443.88/x
3. Step 3: Cross multiply
   2,603.80x = 3,895.98 × 1,443.88
4. Step 4: Simplify right side
   2,603.80x = 5,625,327.60
5. Step 5: Solve for x
   x = 5,625,327.60/2,603.80
6. Step 6: Final answer
   x = 2,160.43