Finding the Fourth Proportional to 6,469.52, 9,706.10 and 2,087.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,469.52 : 9,706.10 = 2,087.31 : x
2. Step 2: Convert to fraction form
   6,469.52/9,706.10 = 2,087.31/x
3. Step 3: Cross multiply
   6,469.52x = 9,706.10 × 2,087.31
4. Step 4: Simplify right side
   6,469.52x = 20,259,665.55
5. Step 5: Solve for x
   x = 20,259,665.55/6,469.52
6. Step 6: Final answer
   x = 3,131.56