Finding the Fourth Proportional to 17,405.65, 24,019.82 and 9,447.87

Step by Step Solution

1. Step 1: Write the proportion equation
   17,405.65 : 24,019.82 = 9,447.87 : x
2. Step 2: Convert to fraction form
   17,405.65/24,019.82 = 9,447.87/x
3. Step 3: Cross multiply
   17,405.65x = 24,019.82 × 9,447.87
4. Step 4: Simplify right side
   17,405.65x = 226,936,136.78
5. Step 5: Solve for x
   x = 226,936,136.78/17,405.65
6. Step 6: Final answer
   x = 13,038.07