Finding the Fourth Proportional to 5,087.71, 7,020.35 and 2,849.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,087.71 : 7,020.35 = 2,849.27 : x
2. Step 2: Convert to fraction form
   5,087.71/7,020.35 = 2,849.27/x
3. Step 3: Cross multiply
   5,087.71x = 7,020.35 × 2,849.27
4. Step 4: Simplify right side
   5,087.71x = 20,002,872.64
5. Step 5: Solve for x
   x = 20,002,872.64/5,087.71
6. Step 6: Final answer
   x = 3,931.61