Finding the Fourth Proportional to 17,676.81, 24,392.43 and 9,718.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,676.81 : 24,392.43 = 9,718.88 : x
2. Step 2: Convert to fraction form
   17,676.81/24,392.43 = 9,718.88/x
3. Step 3: Cross multiply
   17,676.81x = 24,392.43 × 9,718.88
4. Step 4: Simplify right side
   17,676.81x = 237,066,978.12
5. Step 5: Solve for x
   x = 237,066,978.12/17,676.81
6. Step 6: Final answer
   x = 13,411.19