Finding the Fourth Proportional to 17,728.69, 24,473.67 and 12,627.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,728.69 : 24,473.67 = 12,627.49 : x
2. Step 2: Convert to fraction form
   17,728.69/24,473.67 = 12,627.49/x
3. Step 3: Cross multiply
   17,728.69x = 24,473.67 × 12,627.49
4. Step 4: Simplify right side
   17,728.69x = 309,040,900.82
5. Step 5: Solve for x
   x = 309,040,900.82/17,728.69
6. Step 6: Final answer
   x = 17,431.69