Finding the Fourth Proportional to 17,673.06, 24,388.50 and 9,715.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,673.06 : 24,388.50 = 9,715.21 : x
2. Step 2: Convert to fraction form
   17,673.06/24,388.50 = 9,715.21/x
3. Step 3: Cross multiply
   17,673.06x = 24,388.50 × 9,715.21
4. Step 4: Simplify right side
   17,673.06x = 236,939,399.09
5. Step 5: Solve for x
   x = 236,939,399.09/17,673.06
6. Step 6: Final answer
   x = 13,406.81