Finding the Fourth Proportional to 1,540.69, 2,127.27 and 1,443.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540.69 : 2,127.27 = 1,443.49 : x
2. Step 2: Convert to fraction form
   1,540.69/2,127.27 = 1,443.49/x
3. Step 3: Cross multiply
   1,540.69x = 2,127.27 × 1,443.49
4. Step 4: Simplify right side
   1,540.69x = 3,070,692.97
5. Step 5: Solve for x
   x = 3,070,692.97/1,540.69
6. Step 6: Final answer
   x = 1,993.06