Finding the Fourth Proportional to 3,513.69, 4,850.91 and 2,189.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.69 : 4,850.91 = 2,189.16 : x
2. Step 2: Convert to fraction form
   3,513.69/4,850.91 = 2,189.16/x
3. Step 3: Cross multiply
   3,513.69x = 4,850.91 × 2,189.16
4. Step 4: Simplify right side
   3,513.69x = 10,619,418.14
5. Step 5: Solve for x
   x = 10,619,418.14/3,513.69
6. Step 6: Final answer
   x = 3,022.30