Finding the Fourth Proportional to 6,469.34, 9,689.56 and 5,625.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,469.34 : 9,689.56 = 5,625.59 : x
2. Step 2: Convert to fraction form
   6,469.34/9,689.56 = 5,625.59/x
3. Step 3: Cross multiply
   6,469.34x = 9,689.56 × 5,625.59
4. Step 4: Simplify right side
   6,469.34x = 54,509,429.33
5. Step 5: Solve for x
   x = 54,509,429.33/6,469.34
6. Step 6: Final answer
   x = 8,425.82