Finding the Fourth Proportional to 6,278.69, 8,664.69 and 3,446.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,278.69 : 8,664.69 = 3,446.33 : x
2. Step 2: Convert to fraction form
   6,278.69/8,664.69 = 3,446.33/x
3. Step 3: Cross multiply
   6,278.69x = 8,664.69 × 3,446.33
4. Step 4: Simplify right side
   6,278.69x = 29,861,350.69
5. Step 5: Solve for x
   x = 29,861,350.69/6,278.69
6. Step 6: Final answer
   x = 4,755.99