Finding the Fourth Proportional to 6,171.97, 8,517.33 and 3,377.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,171.97 : 8,517.33 = 3,377.47 : x
2. Step 2: Convert to fraction form
   6,171.97/8,517.33 = 3,377.47/x
3. Step 3: Cross multiply
   6,171.97x = 8,517.33 × 3,377.47
4. Step 4: Simplify right side
   6,171.97x = 28,767,009.67
5. Step 5: Solve for x
   x = 28,767,009.67/6,171.97
6. Step 6: Final answer
   x = 4,660.91