Finding the Fourth Proportional to 12,605.10, 17,410.32 and 9,243.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,605.10 : 17,410.32 = 9,243.06 : x
2. Step 2: Convert to fraction form
   12,605.10/17,410.32 = 9,243.06/x
3. Step 3: Cross multiply
   12,605.10x = 17,410.32 × 9,243.06
4. Step 4: Simplify right side
   12,605.10x = 160,924,632.38
5. Step 5: Solve for x
   x = 160,924,632.38/12,605.10
6. Step 6: Final answer
   x = 12,766.63