Finding the Fourth Proportional to 2,681.57, 4,019.63 and 1,037.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,681.57 : 4,019.63 = 1,037.68 : x
2. Step 2: Convert to fraction form
   2,681.57/4,019.63 = 1,037.68/x
3. Step 3: Cross multiply
   2,681.57x = 4,019.63 × 1,037.68
4. Step 4: Simplify right side
   2,681.57x = 4,171,074.42
5. Step 5: Solve for x
   x = 4,171,074.42/2,681.57
6. Step 6: Final answer
   x = 1,555.46