Finding the Fourth Proportional to 5,571.87, 8,354.71 and 2,287.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,571.87 : 8,354.71 = 2,287.27 : x
2. Step 2: Convert to fraction form
   5,571.87/8,354.71 = 2,287.27/x
3. Step 3: Cross multiply
   5,571.87x = 8,354.71 × 2,287.27
4. Step 4: Simplify right side
   5,571.87x = 19,109,477.54
5. Step 5: Solve for x
   x = 19,109,477.54/5,571.87
6. Step 6: Final answer
   x = 3,429.63