Finding the Fourth Proportional to 6,411.57, 8,848.41 and 3,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,411.57 : 8,848.41 = 3,579.50 : x
2. Step 2: Convert to fraction form
   6,411.57/8,848.41 = 3,579.50/x
3. Step 3: Cross multiply
   6,411.57x = 8,848.41 × 3,579.50
4. Step 4: Simplify right side
   6,411.57x = 31,672,842.52
5. Step 5: Solve for x
   x = 31,672,842.52/6,411.57
6. Step 6: Final answer
   x = 4,939.95