Finding the Fourth Proportional to 1,849.92, 2,776.10 and 1,028.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,849.92 : 2,776.10 = 1,028.79 : x
2. Step 2: Convert to fraction form
   1,849.92/2,776.10 = 1,028.79/x
3. Step 3: Cross multiply
   1,849.92x = 2,776.10 × 1,028.79
4. Step 4: Simplify right side
   1,849.92x = 2,856,018.78
5. Step 5: Solve for x
   x = 2,856,018.78/1,849.92
6. Step 6: Final answer
   x = 1,543.86