Finding the Fourth Proportional to 3,661.87, 5,053.37 and 1,983.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.87 : 5,053.37 = 1,983.27 : x
2. Step 2: Convert to fraction form
   3,661.87/5,053.37 = 1,983.27/x
3. Step 3: Cross multiply
   3,661.87x = 5,053.37 × 1,983.27
4. Step 4: Simplify right side
   3,661.87x = 10,022,187.20
5. Step 5: Solve for x
   x = 10,022,187.20/3,661.87
6. Step 6: Final answer
   x = 2,736.91