Finding the Fourth Proportional to 17,362.74, 23,960.61 and 9,405.03

Step by Step Solution

1. Step 1: Write the proportion equation
   17,362.74 : 23,960.61 = 9,405.03 : x
2. Step 2: Convert to fraction form
   17,362.74/23,960.61 = 9,405.03/x
3. Step 3: Cross multiply
   17,362.74x = 23,960.61 × 9,405.03
4. Step 4: Simplify right side
   17,362.74x = 225,350,255.87
5. Step 5: Solve for x
   x = 225,350,255.87/17,362.74
6. Step 6: Final answer
   x = 12,978.96