Finding the Fourth Proportional to 8,504.59, 12,743.89 and 3,571.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,504.59 : 12,743.89 = 3,571.54 : x
2. Step 2: Convert to fraction form
   8,504.59/12,743.89 = 3,571.54/x
3. Step 3: Cross multiply
   8,504.59x = 12,743.89 × 3,571.54
4. Step 4: Simplify right side
   8,504.59x = 45,515,312.89
5. Step 5: Solve for x
   x = 45,515,312.89/8,504.59
6. Step 6: Final answer
   x = 5,351.85