Finding the Fourth Proportional to 17,405.09, 24,019.03 and 9,447.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,405.09 : 24,019.03 = 9,447.31 : x
2. Step 2: Convert to fraction form
   17,405.09/24,019.03 = 9,447.31/x
3. Step 3: Cross multiply
   17,405.09x = 24,019.03 × 9,447.31
4. Step 4: Simplify right side
   17,405.09x = 226,915,264.14
5. Step 5: Solve for x
   x = 226,915,264.14/17,405.09
6. Step 6: Final answer
   x = 13,037.29