Finding the Fourth Proportional to 6,460.36, 9,685.98 and 3,171.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,460.36 : 9,685.98 = 3,171.35 : x
2. Step 2: Convert to fraction form
   6,460.36/9,685.98 = 3,171.35/x
3. Step 3: Cross multiply
   6,460.36x = 9,685.98 × 3,171.35
4. Step 4: Simplify right side
   6,460.36x = 30,717,656.89
5. Step 5: Solve for x
   x = 30,717,656.89/6,460.36
6. Step 6: Final answer
   x = 4,754.79