Finding the Fourth Proportional to 16,514.86, 24,757.71 and 12,636.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,514.86 : 24,757.71 = 12,636.58 : x
2. Step 2: Convert to fraction form
   16,514.86/24,757.71 = 12,636.58/x
3. Step 3: Cross multiply
   16,514.86x = 24,757.71 × 12,636.58
4. Step 4: Simplify right side
   16,514.86x = 312,852,783.03
5. Step 5: Solve for x
   x = 312,852,783.03/16,514.86
6. Step 6: Final answer
   x = 18,943.71