Finding the Fourth Proportional to 6,456.91, 9,688.89 and 2,508.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,456.91 : 9,688.89 = 2,508.34 : x
2. Step 2: Convert to fraction form
   6,456.91/9,688.89 = 2,508.34/x
3. Step 3: Cross multiply
   6,456.91x = 9,688.89 × 2,508.34
4. Step 4: Simplify right side
   6,456.91x = 24,303,030.34
5. Step 5: Solve for x
   x = 24,303,030.34/6,456.91
6. Step 6: Final answer
   x = 3,763.88