Finding the Fourth Proportional to 6,390.50, 8,819.25 and 3,596.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,390.50 : 8,819.25 = 3,596.18 : x
2. Step 2: Convert to fraction form
   6,390.50/8,819.25 = 3,596.18/x
3. Step 3: Cross multiply
   6,390.50x = 8,819.25 × 3,596.18
4. Step 4: Simplify right side
   6,390.50x = 31,715,610.47
5. Step 5: Solve for x
   x = 31,715,610.47/6,390.50
6. Step 6: Final answer
   x = 4,962.93