Finding the Fourth Proportional to 2,037.69, 2,811.78 and 1,251.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.69 : 2,811.78 = 1,251.54 : x
2. Step 2: Convert to fraction form
   2,037.69/2,811.78 = 1,251.54/x
3. Step 3: Cross multiply
   2,037.69x = 2,811.78 × 1,251.54
4. Step 4: Simplify right side
   2,037.69x = 3,519,055.14
5. Step 5: Solve for x
   x = 3,519,055.14/2,037.69
6. Step 6: Final answer
   x = 1,726.98