Finding the Fourth Proportional to 17,405.15, 24,019.16 and 9,447.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,405.15 : 24,019.16 = 9,447.30 : x
2. Step 2: Convert to fraction form
   17,405.15/24,019.16 = 9,447.30/x
3. Step 3: Cross multiply
   17,405.15x = 24,019.16 × 9,447.30
4. Step 4: Simplify right side
   17,405.15x = 226,916,163.03
5. Step 5: Solve for x
   x = 226,916,163.03/17,405.15
6. Step 6: Final answer
   x = 13,037.30