Finding the Fourth Proportional to 6,510.91, 9,766.82 and 3,223.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,510.91 : 9,766.82 = 3,223.12 : x
2. Step 2: Convert to fraction form
   6,510.91/9,766.82 = 3,223.12/x
3. Step 3: Cross multiply
   6,510.91x = 9,766.82 × 3,223.12
4. Step 4: Simplify right side
   6,510.91x = 31,479,653.14
5. Step 5: Solve for x
   x = 31,479,653.14/6,510.91
6. Step 6: Final answer
   x = 4,834.91