Finding the Fourth Proportional to 12,196.82, 16,831.60 and 6,607.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.82 : 16,831.60 = 6,607.82 : x
2. Step 2: Convert to fraction form
   12,196.82/16,831.60 = 6,607.82/x
3. Step 3: Cross multiply
   12,196.82x = 16,831.60 × 6,607.82
4. Step 4: Simplify right side
   12,196.82x = 111,220,098.95
5. Step 5: Solve for x
   x = 111,220,098.95/12,196.82
6. Step 6: Final answer
   x = 9,118.78