Finding the Fourth Proportional to 17,676.74, 24,393.78 and 9,718.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,676.74 : 24,393.78 = 9,718.76 : x
2. Step 2: Convert to fraction form
   17,676.74/24,393.78 = 9,718.76/x
3. Step 3: Cross multiply
   17,676.74x = 24,393.78 × 9,718.76
4. Step 4: Simplify right side
   17,676.74x = 237,077,293.31
5. Step 5: Solve for x
   x = 237,077,293.31/17,676.74
6. Step 6: Final answer
   x = 13,411.82