Finding the Fourth Proportional to 8,513.27, 12,771.23 and 3,584.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,513.27 : 12,771.23 = 3,584.30 : x
2. Step 2: Convert to fraction form
   8,513.27/12,771.23 = 3,584.30/x
3. Step 3: Cross multiply
   8,513.27x = 12,771.23 × 3,584.30
4. Step 4: Simplify right side
   8,513.27x = 45,775,837.91
5. Step 5: Solve for x
   x = 45,775,837.91/8,513.27
6. Step 6: Final answer
   x = 5,377.00