Finding the Fourth Proportional to 3,650.72, 5,037.72 and 2,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,650.72 : 5,037.72 = 2,078.50 : x
2. Step 2: Convert to fraction form
   3,650.72/5,037.72 = 2,078.50/x
3. Step 3: Cross multiply
   3,650.72x = 5,037.72 × 2,078.50
4. Step 4: Simplify right side
   3,650.72x = 10,470,901.02
5. Step 5: Solve for x
   x = 10,470,901.02/3,650.72
6. Step 6: Final answer
   x = 2,868.17