Finding the Fourth Proportional to 6,290.92, 8,681.34 and 3,496.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,290.92 : 8,681.34 = 3,496.42 : x
2. Step 2: Convert to fraction form
   6,290.92/8,681.34 = 3,496.42/x
3. Step 3: Cross multiply
   6,290.92x = 8,681.34 × 3,496.42
4. Step 4: Simplify right side
   6,290.92x = 30,353,610.80
5. Step 5: Solve for x
   x = 30,353,610.80/6,290.92
6. Step 6: Final answer
   x = 4,824.99