Finding the Fourth Proportional to 6,300.48, 8,692.68 and 3,647.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,300.48 : 8,692.68 = 3,647.20 : x
2. Step 2: Convert to fraction form
   6,300.48/8,692.68 = 3,647.20/x
3. Step 3: Cross multiply
   6,300.48x = 8,692.68 × 3,647.20
4. Step 4: Simplify right side
   6,300.48x = 31,703,942.50
5. Step 5: Solve for x
   x = 31,703,942.50/6,300.48
6. Step 6: Final answer
   x = 5,031.99