Finding the Fourth Proportional to 5,206.82, 7,185.31 and 2,849.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,206.82 : 7,185.31 = 2,849.18 : x
2. Step 2: Convert to fraction form
   5,206.82/7,185.31 = 2,849.18/x
3. Step 3: Cross multiply
   5,206.82x = 7,185.31 × 2,849.18
4. Step 4: Simplify right side
   5,206.82x = 20,472,198.50
5. Step 5: Solve for x
   x = 20,472,198.50/5,206.82
6. Step 6: Final answer
   x = 3,931.81