Finding the Fourth Proportional to 6,722.38, 10,076.82 and 2,561.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,722.38 : 10,076.82 = 2,561.32 : x
2. Step 2: Convert to fraction form
   6,722.38/10,076.82 = 2,561.32/x
3. Step 3: Cross multiply
   6,722.38x = 10,076.82 × 2,561.32
4. Step 4: Simplify right side
   6,722.38x = 25,809,960.60
5. Step 5: Solve for x
   x = 25,809,960.60/6,722.38
6. Step 6: Final answer
   x = 3,839.41