Finding the Fourth Proportional to 6,434.42, 9,636.51 and 3,137.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,434.42 : 9,636.51 = 3,137.18 : x
2. Step 2: Convert to fraction form
   6,434.42/9,636.51 = 3,137.18/x
3. Step 3: Cross multiply
   6,434.42x = 9,636.51 × 3,137.18
4. Step 4: Simplify right side
   6,434.42x = 30,231,466.44
5. Step 5: Solve for x
   x = 30,231,466.44/6,434.42
6. Step 6: Final answer
   x = 4,698.40