Finding the Fourth Proportional to 12,196.58, 16,831.37 and 6,607.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.58 : 16,831.37 = 6,607.62 : x
2. Step 2: Convert to fraction form
   12,196.58/16,831.37 = 6,607.62/x
3. Step 3: Cross multiply
   12,196.58x = 16,831.37 × 6,607.62
4. Step 4: Simplify right side
   12,196.58x = 111,215,297.04
5. Step 5: Solve for x
   x = 111,215,297.04/12,196.58
6. Step 6: Final answer
   x = 9,118.56