Finding the Fourth Proportional to 6,404.02, 8,837.25 and 3,571.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.02 : 8,837.25 = 3,571.71 : x
2. Step 2: Convert to fraction form
   6,404.02/8,837.25 = 3,571.71/x
3. Step 3: Cross multiply
   6,404.02x = 8,837.25 × 3,571.71
4. Step 4: Simplify right side
   6,404.02x = 31,564,094.20
5. Step 5: Solve for x
   x = 31,564,094.20/6,404.02
6. Step 6: Final answer
   x = 4,928.79