Finding the Fourth Proportional to 6,397.94, 8,829.02 and 3,565.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,397.94 : 8,829.02 = 3,565.31 : x
2. Step 2: Convert to fraction form
   6,397.94/8,829.02 = 3,565.31/x
3. Step 3: Cross multiply
   6,397.94x = 8,829.02 × 3,565.31
4. Step 4: Simplify right side
   6,397.94x = 31,478,131.32
5. Step 5: Solve for x
   x = 31,478,131.32/6,397.94
6. Step 6: Final answer
   x = 4,920.05