Finding the Fourth Proportional to 6,523.97, 9,002.90 and 3,871.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,523.97 : 9,002.90 = 3,871.31 : x
2. Step 2: Convert to fraction form
   6,523.97/9,002.90 = 3,871.31/x
3. Step 3: Cross multiply
   6,523.97x = 9,002.90 × 3,871.31
4. Step 4: Simplify right side
   6,523.97x = 34,853,048.98
5. Step 5: Solve for x
   x = 34,853,048.98/6,523.97
6. Step 6: Final answer
   x = 5,342.31