Finding the Fourth Proportional to 6,403.42, 8,836.72 and 3,570.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,403.42 : 8,836.72 = 3,570.71 : x
2. Step 2: Convert to fraction form
   6,403.42/8,836.72 = 3,570.71/x
3. Step 3: Cross multiply
   6,403.42x = 8,836.72 × 3,570.71
4. Step 4: Simplify right side
   6,403.42x = 31,553,377.64
5. Step 5: Solve for x
   x = 31,553,377.64/6,403.42
6. Step 6: Final answer
   x = 4,927.58