Finding the Fourth Proportional to 3,500.36, 5,243.54 and 2,109.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,500.36 : 5,243.54 = 2,109.49 : x
2. Step 2: Convert to fraction form
   3,500.36/5,243.54 = 2,109.49/x
3. Step 3: Cross multiply
   3,500.36x = 5,243.54 × 2,109.49
4. Step 4: Simplify right side
   3,500.36x = 11,061,201.03
5. Step 5: Solve for x
   x = 11,061,201.03/3,500.36
6. Step 6: Final answer
   x = 3,160.01