Finding the Fourth Proportional to 17,605, 24,293.72 and 9,647.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,605 : 24,293.72 = 9,647.32 : x
2. Step 2: Convert to fraction form
   17,605/24,293.72 = 9,647.32/x
3. Step 3: Cross multiply
   17,605x = 24,293.72 × 9,647.32
4. Step 4: Simplify right side
   17,605x = 234,369,290.83
5. Step 5: Solve for x
   x = 234,369,290.83/17,605
6. Step 6: Final answer
   x = 13,312.65