Finding the Fourth Proportional to 6,506.91, 9,759.30 and 2,123.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,506.91 : 9,759.30 = 2,123.30 : x
2. Step 2: Convert to fraction form
   6,506.91/9,759.30 = 2,123.30/x
3. Step 3: Cross multiply
   6,506.91x = 9,759.30 × 2,123.30
4. Step 4: Simplify right side
   6,506.91x = 20,721,872.89
5. Step 5: Solve for x
   x = 20,721,872.89/6,506.91
6. Step 6: Final answer
   x = 3,184.59