Finding the Fourth Proportional to 6,286.88, 8,676.56 and 3,492.64

Step by Step Solution

1. Step 1: Write the proportion equation
   6,286.88 : 8,676.56 = 3,492.64 : x
2. Step 2: Convert to fraction form
   6,286.88/8,676.56 = 3,492.64/x
3. Step 3: Cross multiply
   6,286.88x = 8,676.56 × 3,492.64
4. Step 4: Simplify right side
   6,286.88x = 30,304,100.52
5. Step 5: Solve for x
   x = 30,304,100.52/6,286.88
6. Step 6: Final answer
   x = 4,820.21