Finding the Fourth Proportional to 12,196.48, 16,831.12 and 6,607.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.48 : 16,831.12 = 6,607.48 : x
2. Step 2: Convert to fraction form
   12,196.48/16,831.12 = 6,607.48/x
3. Step 3: Cross multiply
   12,196.48x = 16,831.12 × 6,607.48
4. Step 4: Simplify right side
   12,196.48x = 111,211,288.78
5. Step 5: Solve for x
   x = 111,211,288.78/12,196.48
6. Step 6: Final answer
   x = 9,118.31