Finding the Fourth Proportional to 3,650.45, 5,037.57 and 2,078.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,650.45 : 5,037.57 = 2,078.53 : x
2. Step 2: Convert to fraction form
   3,650.45/5,037.57 = 2,078.53/x
3. Step 3: Cross multiply
   3,650.45x = 5,037.57 × 2,078.53
4. Step 4: Simplify right side
   3,650.45x = 10,470,727.78
5. Step 5: Solve for x
   x = 10,470,727.78/3,650.45
6. Step 6: Final answer
   x = 2,868.34