Finding the Fourth Proportional to 1,849.71, 2,775.72 and 1,028.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,849.71 : 2,775.72 = 1,028.55 : x
2. Step 2: Convert to fraction form
   1,849.71/2,775.72 = 1,028.55/x
3. Step 3: Cross multiply
   1,849.71x = 2,775.72 × 1,028.55
4. Step 4: Simplify right side
   1,849.71x = 2,854,966.81
5. Step 5: Solve for x
   x = 2,854,966.81/1,849.71
6. Step 6: Final answer
   x = 1,543.47