Finding the Fourth Proportional to 7,003.14, 10,504.89 and 1,809

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.14 : 10,504.89 = 1,809 : x
2. Step 2: Convert to fraction form
   7,003.14/10,504.89 = 1,809/x
3. Step 3: Cross multiply
   7,003.14x = 10,504.89 × 1,809
4. Step 4: Simplify right side
   7,003.14x = 19,003,346.01
5. Step 5: Solve for x
   x = 19,003,346.01/7,003.14
6. Step 6: Final answer
   x = 2,713.55