Finding the Fourth Proportional to 3,649.81, 5,037.04 and 2,078.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,649.81 : 5,037.04 = 2,078.01 : x
2. Step 2: Convert to fraction form
   3,649.81/5,037.04 = 2,078.01/x
3. Step 3: Cross multiply
   3,649.81x = 5,037.04 × 2,078.01
4. Step 4: Simplify right side
   3,649.81x = 10,466,994.31
5. Step 5: Solve for x
   x = 10,466,994.31/3,649.81
6. Step 6: Final answer
   x = 2,867.82