Finding the Fourth Proportional to 16,885.86, 25,290.72 and 8,127.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,885.86 : 25,290.72 = 8,127.33 : x
2. Step 2: Convert to fraction form
   16,885.86/25,290.72 = 8,127.33/x
3. Step 3: Cross multiply
   16,885.86x = 25,290.72 × 8,127.33
4. Step 4: Simplify right side
   16,885.86x = 205,546,027.38
5. Step 5: Solve for x
   x = 205,546,027.38/16,885.86
6. Step 6: Final answer
   x = 12,172.67