Finding the Fourth Proportional to 5,200.81, 7,177.01 and 2,843.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.81 : 7,177.01 = 2,843.10 : x
2. Step 2: Convert to fraction form
   5,200.81/7,177.01 = 2,843.10/x
3. Step 3: Cross multiply
   5,200.81x = 7,177.01 × 2,843.10
4. Step 4: Simplify right side
   5,200.81x = 20,404,942.92
5. Step 5: Solve for x
   x = 20,404,942.92/5,200.81
6. Step 6: Final answer
   x = 3,923.42