Finding the Fourth Proportional to 6,296.78, 8,689.76 and 3,464.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,296.78 : 8,689.76 = 3,464.25 : x
2. Step 2: Convert to fraction form
   6,296.78/8,689.76 = 3,464.25/x
3. Step 3: Cross multiply
   6,296.78x = 8,689.76 × 3,464.25
4. Step 4: Simplify right side
   6,296.78x = 30,103,483.76
5. Step 5: Solve for x
   x = 30,103,483.76/6,296.78
6. Step 6: Final answer
   x = 4,780.78