Finding the Fourth Proportional to 12,556.38, 17,328.42 and 7,251.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,556.38 : 17,328.42 = 7,251.69 : x
2. Step 2: Convert to fraction form
   12,556.38/17,328.42 = 7,251.69/x
3. Step 3: Cross multiply
   12,556.38x = 17,328.42 × 7,251.69
4. Step 4: Simplify right side
   12,556.38x = 125,660,330.03
5. Step 5: Solve for x
   x = 125,660,330.03/12,556.38
6. Step 6: Final answer
   x = 10,007.69