Finding the Fourth Proportional to 2,849.56, 4,273.09 and 1,289.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.56 : 4,273.09 = 1,289.50 : x
2. Step 2: Convert to fraction form
   2,849.56/4,273.09 = 1,289.50/x
3. Step 3: Cross multiply
   2,849.56x = 4,273.09 × 1,289.50
4. Step 4: Simplify right side
   2,849.56x = 5,510,149.56
5. Step 5: Solve for x
   x = 5,510,149.56/2,849.56
6. Step 6: Final answer
   x = 1,933.68