Finding the Fourth Proportional to 12,196.44, 16,830 and 7,160.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.44 : 16,830 = 7,160.04 : x
2. Step 2: Convert to fraction form
   12,196.44/16,830 = 7,160.04/x
3. Step 3: Cross multiply
   12,196.44x = 16,830 × 7,160.04
4. Step 4: Simplify right side
   12,196.44x = 120,503,473.20
5. Step 5: Solve for x
   x = 120,503,473.20/12,196.44
6. Step 6: Final answer
   x = 9,880.22