Finding the Fourth Proportional to 16,036.89, 22,131.59 and 8,963.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,036.89 : 22,131.59 = 8,963.31 : x
2. Step 2: Convert to fraction form
   16,036.89/22,131.59 = 8,963.31/x
3. Step 3: Cross multiply
   16,036.89x = 22,131.59 × 8,963.31
4. Step 4: Simplify right side
   16,036.89x = 198,372,301.96
5. Step 5: Solve for x
   x = 198,372,301.96/16,036.89
6. Step 6: Final answer
   x = 12,369.75