Finding the Fourth Proportional to 4,404.80, 6,564.31 and 4,271.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,404.80 : 6,564.31 = 4,271.31 : x
2. Step 2: Convert to fraction form
   4,404.80/6,564.31 = 4,271.31/x
3. Step 3: Cross multiply
   4,404.80x = 6,564.31 × 4,271.31
4. Step 4: Simplify right side
   4,404.80x = 28,038,192.27
5. Step 5: Solve for x
   x = 28,038,192.27/4,404.80
6. Step 6: Final answer
   x = 6,365.37