Finding the Fourth Proportional to 6,209.91, 8,569.77 and 3,377.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,209.91 : 8,569.77 = 3,377.37 : x
2. Step 2: Convert to fraction form
   6,209.91/8,569.77 = 3,377.37/x
3. Step 3: Cross multiply
   6,209.91x = 8,569.77 × 3,377.37
4. Step 4: Simplify right side
   6,209.91x = 28,943,284.10
5. Step 5: Solve for x
   x = 28,943,284.10/6,209.91
6. Step 6: Final answer
   x = 4,660.82