Finding the Fourth Proportional to 3,849.89, 5,312.87 and 2,081.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,849.89 : 5,312.87 = 2,081.49 : x
2. Step 2: Convert to fraction form
   3,849.89/5,312.87 = 2,081.49/x
3. Step 3: Cross multiply
   3,849.89x = 5,312.87 × 2,081.49
4. Step 4: Simplify right side
   3,849.89x = 11,058,685.78
5. Step 5: Solve for x
   x = 11,058,685.78/3,849.89
6. Step 6: Final answer
   x = 2,872.47