Finding the Fourth Proportional to 16,196.89, 22,351.76 and 9,392.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,196.89 : 22,351.76 = 9,392.23 : x
2. Step 2: Convert to fraction form
   16,196.89/22,351.76 = 9,392.23/x
3. Step 3: Cross multiply
   16,196.89x = 22,351.76 × 9,392.23
4. Step 4: Simplify right side
   16,196.89x = 209,932,870.82
5. Step 5: Solve for x
   x = 209,932,870.82/16,196.89
6. Step 6: Final answer
   x = 12,961.31