Finding the Fourth Proportional to 6,387.78, 9,582.56 and 2,227.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,387.78 : 9,582.56 = 2,227.18 : x
2. Step 2: Convert to fraction form
   6,387.78/9,582.56 = 2,227.18/x
3. Step 3: Cross multiply
   6,387.78x = 9,582.56 × 2,227.18
4. Step 4: Simplify right side
   6,387.78x = 21,342,067.59
5. Step 5: Solve for x
   x = 21,342,067.59/6,387.78
6. Step 6: Final answer
   x = 3,341.08