Finding the Fourth Proportional to 6,288, 8,677.71 and 3,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,288 : 8,677.71 = 3,493.50 : x
2. Step 2: Convert to fraction form
   6,288/8,677.71 = 3,493.50/x
3. Step 3: Cross multiply
   6,288x = 8,677.71 × 3,493.50
4. Step 4: Simplify right side
   6,288x = 30,315,579.89
5. Step 5: Solve for x
   x = 30,315,579.89/6,288
6. Step 6: Final answer
   x = 4,821.18