Finding the Fourth Proportional to 6,290.25, 8,680.82 and 3,495.75

Step by Step Solution

1. Step 1: Write the proportion equation
   6,290.25 : 8,680.82 = 3,495.75 : x
2. Step 2: Convert to fraction form
   6,290.25/8,680.82 = 3,495.75/x
3. Step 3: Cross multiply
   6,290.25x = 8,680.82 × 3,495.75
4. Step 4: Simplify right side
   6,290.25x = 30,345,976.52
5. Step 5: Solve for x
   x = 30,345,976.52/6,290.25
6. Step 6: Final answer
   x = 4,824.29