Finding the Fourth Proportional to 17,628, 24,317.40 and 10,453.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,628 : 24,317.40 = 10,453.72 : x
2. Step 2: Convert to fraction form
   17,628/24,317.40 = 10,453.72/x
3. Step 3: Cross multiply
   17,628x = 24,317.40 × 10,453.72
4. Step 4: Simplify right side
   17,628x = 254,207,290.73
5. Step 5: Solve for x
   x = 254,207,290.73/17,628
6. Step 6: Final answer
   x = 14,420.65