Finding the Fourth Proportional to 2,166.47, 3,247.33 and 849.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166.47 : 3,247.33 = 849.83 : x
2. Step 2: Convert to fraction form
   2,166.47/3,247.33 = 849.83/x
3. Step 3: Cross multiply
   2,166.47x = 3,247.33 × 849.83
4. Step 4: Simplify right side
   2,166.47x = 2,759,673.86
5. Step 5: Solve for x
   x = 2,759,673.86/2,166.47
6. Step 6: Final answer
   x = 1,273.81