Finding the Fourth Proportional to 6,404.50, 8,838.24 and 3,571.66

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.50 : 8,838.24 = 3,571.66 : x
2. Step 2: Convert to fraction form
   6,404.50/8,838.24 = 3,571.66/x
3. Step 3: Cross multiply
   6,404.50x = 8,838.24 × 3,571.66
4. Step 4: Simplify right side
   6,404.50x = 31,567,188.28
5. Step 5: Solve for x
   x = 31,567,188.28/6,404.50
6. Step 6: Final answer
   x = 4,928.91