Finding the Fourth Proportional to 8,196.69, 12,304.78 and 7,862.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.69 : 12,304.78 = 7,862.49 : x
2. Step 2: Convert to fraction form
   8,196.69/12,304.78 = 7,862.49/x
3. Step 3: Cross multiply
   8,196.69x = 12,304.78 × 7,862.49
4. Step 4: Simplify right side
   8,196.69x = 96,746,209.70
5. Step 5: Solve for x
   x = 96,746,209.70/8,196.69
6. Step 6: Final answer
   x = 11,803.08