Finding the Fourth Proportional to 17,880.72, 24,676.86 and 9,924.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,880.72 : 24,676.86 = 9,924.54 : x
2. Step 2: Convert to fraction form
   17,880.72/24,676.86 = 9,924.54/x
3. Step 3: Cross multiply
   17,880.72x = 24,676.86 × 9,924.54
4. Step 4: Simplify right side
   17,880.72x = 244,906,484.14
5. Step 5: Solve for x
   x = 244,906,484.14/17,880.72
6. Step 6: Final answer
   x = 13,696.68