Finding the Fourth Proportional to 12,196.80, 18,292.46 and 7,267.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.80 : 18,292.46 = 7,267.84 : x
2. Step 2: Convert to fraction form
   12,196.80/18,292.46 = 7,267.84/x
3. Step 3: Cross multiply
   12,196.80x = 18,292.46 × 7,267.84
4. Step 4: Simplify right side
   12,196.80x = 132,946,672.49
5. Step 5: Solve for x
   x = 132,946,672.49/12,196.80
6. Step 6: Final answer
   x = 10,900.13