Finding the Fourth Proportional to 6,510.56, 9,770.16 and 3,223.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,510.56 : 9,770.16 = 3,223.76 : x
2. Step 2: Convert to fraction form
   6,510.56/9,770.16 = 3,223.76/x
3. Step 3: Cross multiply
   6,510.56x = 9,770.16 × 3,223.76
4. Step 4: Simplify right side
   6,510.56x = 31,496,651.00
5. Step 5: Solve for x
   x = 31,496,651.00/6,510.56
6. Step 6: Final answer
   x = 4,837.78