Finding the Fourth Proportional to 12,353.46, 17,029.89 and 7,629.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,353.46 : 17,029.89 = 7,629.54 : x
2. Step 2: Convert to fraction form
   12,353.46/17,029.89 = 7,629.54/x
3. Step 3: Cross multiply
   12,353.46x = 17,029.89 × 7,629.54
4. Step 4: Simplify right side
   12,353.46x = 129,930,226.95
5. Step 5: Solve for x
   x = 129,930,226.95/12,353.46
6. Step 6: Final answer
   x = 10,517.72