Finding the Fourth Proportional to 3,189.05, 4,783.83 and 849.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,189.05 : 4,783.83 = 849.07 : x
2. Step 2: Convert to fraction form
   3,189.05/4,783.83 = 849.07/x
3. Step 3: Cross multiply
   3,189.05x = 4,783.83 × 849.07
4. Step 4: Simplify right side
   3,189.05x = 4,061,806.54
5. Step 5: Solve for x
   x = 4,061,806.54/3,189.05
6. Step 6: Final answer
   x = 1,273.67