Finding the Fourth Proportional to 12,196.25, 16,834.80 and 7,160.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.25 : 16,834.80 = 7,160.34 : x
2. Step 2: Convert to fraction form
   12,196.25/16,834.80 = 7,160.34/x
3. Step 3: Cross multiply
   12,196.25x = 16,834.80 × 7,160.34
4. Step 4: Simplify right side
   12,196.25x = 120,542,891.83
5. Step 5: Solve for x
   x = 120,542,891.83/12,196.25
6. Step 6: Final answer
   x = 9,883.61