Finding the Fourth Proportional to 3,650.31, 5,037.73 and 2,078.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,650.31 : 5,037.73 = 2,078.51 : x
2. Step 2: Convert to fraction form
   3,650.31/5,037.73 = 2,078.51/x
3. Step 3: Cross multiply
   3,650.31x = 5,037.73 × 2,078.51
4. Step 4: Simplify right side
   3,650.31x = 10,470,941.80
5. Step 5: Solve for x
   x = 10,470,941.80/3,650.31
6. Step 6: Final answer
   x = 2,868.51