Finding the Fourth Proportional to 3,540.69, 5,304.38 and 2,075.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,540.69 : 5,304.38 = 2,075.49 : x
2. Step 2: Convert to fraction form
   3,540.69/5,304.38 = 2,075.49/x
3. Step 3: Cross multiply
   3,540.69x = 5,304.38 × 2,075.49
4. Step 4: Simplify right side
   3,540.69x = 11,009,177.27
5. Step 5: Solve for x
   x = 11,009,177.27/3,540.69
6. Step 6: Final answer
   x = 3,109.33