Finding the Fourth Proportional to 17,728.50, 24,473.41 and 12,627.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,728.50 : 24,473.41 = 12,627.30 : x
2. Step 2: Convert to fraction form
   17,728.50/24,473.41 = 12,627.30/x
3. Step 3: Cross multiply
   17,728.50x = 24,473.41 × 12,627.30
4. Step 4: Simplify right side
   17,728.50x = 309,033,044.69
5. Step 5: Solve for x
   x = 309,033,044.69/17,728.50
6. Step 6: Final answer
   x = 17,431.43