Finding the Fourth Proportional to 17,405.67, 24,019.83 and 9,447.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,405.67 : 24,019.83 = 9,447.90 : x
2. Step 2: Convert to fraction form
   17,405.67/24,019.83 = 9,447.90/x
3. Step 3: Cross multiply
   17,405.67x = 24,019.83 × 9,447.90
4. Step 4: Simplify right side
   17,405.67x = 226,936,951.86
5. Step 5: Solve for x
   x = 226,936,951.86/17,405.67
6. Step 6: Final answer
   x = 13,038.10