Finding the Fourth Proportional to 6,431.13, 9,647.98 and 3,144.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,431.13 : 9,647.98 = 3,144.29 : x
2. Step 2: Convert to fraction form
   6,431.13/9,647.98 = 3,144.29/x
3. Step 3: Cross multiply
   6,431.13x = 9,647.98 × 3,144.29
4. Step 4: Simplify right side
   6,431.13x = 30,335,990.93
5. Step 5: Solve for x
   x = 30,335,990.93/6,431.13
6. Step 6: Final answer
   x = 4,717.05