Finding the Fourth Proportional to 16,196.88, 22,351.50 and 9,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,196.88 : 22,351.50 = 9,124.50 : x
2. Step 2: Convert to fraction form
   16,196.88/22,351.50 = 9,124.50/x
3. Step 3: Cross multiply
   16,196.88x = 22,351.50 × 9,124.50
4. Step 4: Simplify right side
   16,196.88x = 203,946,261.75
5. Step 5: Solve for x
   x = 203,946,261.75/16,196.88
6. Step 6: Final answer
   x = 12,591.70