Finding the Fourth Proportional to 6,411.41, 9,613.71 and 3,290.17

Step by Step Solution

1. Step 1: Write the proportion equation
   6,411.41 : 9,613.71 = 3,290.17 : x
2. Step 2: Convert to fraction form
   6,411.41/9,613.71 = 3,290.17/x
3. Step 3: Cross multiply
   6,411.41x = 9,613.71 × 3,290.17
4. Step 4: Simplify right side
   6,411.41x = 31,630,716.20
5. Step 5: Solve for x
   x = 31,630,716.20/6,411.41
6. Step 6: Final answer
   x = 4,933.50