Finding the Fourth Proportional to 6,391.45, 8,819.98 and 3,596.41

Step by Step Solution

1. Step 1: Write the proportion equation
   6,391.45 : 8,819.98 = 3,596.41 : x
2. Step 2: Convert to fraction form
   6,391.45/8,819.98 = 3,596.41/x
3. Step 3: Cross multiply
   6,391.45x = 8,819.98 × 3,596.41
4. Step 4: Simplify right side
   6,391.45x = 31,720,264.27
5. Step 5: Solve for x
   x = 31,720,264.27/6,391.45
6. Step 6: Final answer
   x = 4,962.92