Finding the Fourth Proportional to 17,362.67, 23,960.39 and 9,405.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,362.67 : 23,960.39 = 9,405.05 : x
2. Step 2: Convert to fraction form
   17,362.67/23,960.39 = 9,405.05/x
3. Step 3: Cross multiply
   17,362.67x = 23,960.39 × 9,405.05
4. Step 4: Simplify right side
   17,362.67x = 225,348,749.38
5. Step 5: Solve for x
   x = 225,348,749.38/17,362.67
6. Step 6: Final answer
   x = 12,978.92