Finding the Fourth Proportional to 6,840.05, 10,261.89 and 2,943.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,840.05 : 10,261.89 = 2,943.54 : x
2. Step 2: Convert to fraction form
   6,840.05/10,261.89 = 2,943.54/x
3. Step 3: Cross multiply
   6,840.05x = 10,261.89 × 2,943.54
4. Step 4: Simplify right side
   6,840.05x = 30,206,283.69
5. Step 5: Solve for x
   x = 30,206,283.69/6,840.05
6. Step 6: Final answer
   x = 4,416.09