Finding the Fourth Proportional to 6,450.22, 8,901.76 and 3,579.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,450.22 : 8,901.76 = 3,579.89 : x
2. Step 2: Convert to fraction form
   6,450.22/8,901.76 = 3,579.89/x
3. Step 3: Cross multiply
   6,450.22x = 8,901.76 × 3,579.89
4. Step 4: Simplify right side
   6,450.22x = 31,867,321.61
5. Step 5: Solve for x
   x = 31,867,321.61/6,450.22
6. Step 6: Final answer
   x = 4,940.50