Finding the Fourth Proportional to 2,849.73, 4,277.34 and 1,389.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.73 : 4,277.34 = 1,389.92 : x
2. Step 2: Convert to fraction form
   2,849.73/4,277.34 = 1,389.92/x
3. Step 3: Cross multiply
   2,849.73x = 4,277.34 × 1,389.92
4. Step 4: Simplify right side
   2,849.73x = 5,945,139.03
5. Step 5: Solve for x
   x = 5,945,139.03/2,849.73
6. Step 6: Final answer
   x = 2,086.21