Finding the Fourth Proportional to 6,221.27, 8,585.54 and 3,388.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,221.27 : 8,585.54 = 3,388.83 : x
2. Step 2: Convert to fraction form
   6,221.27/8,585.54 = 3,388.83/x
3. Step 3: Cross multiply
   6,221.27x = 8,585.54 × 3,388.83
4. Step 4: Simplify right side
   6,221.27x = 29,094,935.52
5. Step 5: Solve for x
   x = 29,094,935.52/6,221.27
6. Step 6: Final answer
   x = 4,676.69