Finding the Fourth Proportional to 12,196.98, 18,294.26 and 8,273.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.98 : 18,294.26 = 8,273.41 : x
2. Step 2: Convert to fraction form
   12,196.98/18,294.26 = 8,273.41/x
3. Step 3: Cross multiply
   12,196.98x = 18,294.26 × 8,273.41
4. Step 4: Simplify right side
   12,196.98x = 151,355,826.52
5. Step 5: Solve for x
   x = 151,355,826.52/12,196.98
6. Step 6: Final answer
   x = 12,409.29