Finding the Fourth Proportional to 6,388.52, 9,582.83 and 2,228.51

Step by Step Solution

1. Step 1: Write the proportion equation
   6,388.52 : 9,582.83 = 2,228.51 : x
2. Step 2: Convert to fraction form
   6,388.52/9,582.83 = 2,228.51/x
3. Step 3: Cross multiply
   6,388.52x = 9,582.83 × 2,228.51
4. Step 4: Simplify right side
   6,388.52x = 21,355,445.30
5. Step 5: Solve for x
   x = 21,355,445.30/6,388.52
6. Step 6: Final answer
   x = 3,342.78