Finding the Fourth Proportional to 1,004.43, 1,503.06 and 849.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004.43 : 1,503.06 = 849.89 : x
2. Step 2: Convert to fraction form
   1,004.43/1,503.06 = 849.89/x
3. Step 3: Cross multiply
   1,004.43x = 1,503.06 × 849.89
4. Step 4: Simplify right side
   1,004.43x = 1,277,436.23
5. Step 5: Solve for x
   x = 1,277,436.23/1,004.43
6. Step 6: Final answer
   x = 1,271.80