Finding the Fourth Proportional to 6,173.15, 8,518.88 and 3,340.46

Step by Step Solution

1. Step 1: Write the proportion equation
   6,173.15 : 8,518.88 = 3,340.46 : x
2. Step 2: Convert to fraction form
   6,173.15/8,518.88 = 3,340.46/x
3. Step 3: Cross multiply
   6,173.15x = 8,518.88 × 3,340.46
4. Step 4: Simplify right side
   6,173.15x = 28,456,918.59
5. Step 5: Solve for x
   x = 28,456,918.59/6,173.15
6. Step 6: Final answer
   x = 4,609.79