Finding the Fourth Proportional to 6,404.00, 8,831.43 and 4,163.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.00 : 8,831.43 = 4,163.31 : x
2. Step 2: Convert to fraction form
   6,404.00/8,831.43 = 4,163.31/x
3. Step 3: Cross multiply
   6,404.00x = 8,831.43 × 4,163.31
4. Step 4: Simplify right side
   6,404.00x = 36,767,980.83
5. Step 5: Solve for x
   x = 36,767,980.83/6,404.00
6. Step 6: Final answer
   x = 5,741.41