Finding the Fourth Proportional to 16,036.90, 22,131.38 and 8,963.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,036.90 : 22,131.38 = 8,963.16 : x
2. Step 2: Convert to fraction form
   16,036.90/22,131.38 = 8,963.16/x
3. Step 3: Cross multiply
   16,036.90x = 22,131.38 × 8,963.16
4. Step 4: Simplify right side
   16,036.90x = 198,367,099.96
5. Step 5: Solve for x
   x = 198,367,099.96/16,036.90
6. Step 6: Final answer
   x = 12,369.42