Finding the Fourth Proportional to 12,196.06, 16,831.14 and 7,160.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.06 : 16,831.14 = 7,160.50 : x
2. Step 2: Convert to fraction form
   12,196.06/16,831.14 = 7,160.50/x
3. Step 3: Cross multiply
   12,196.06x = 16,831.14 × 7,160.50
4. Step 4: Simplify right side
   12,196.06x = 120,519,377.97
5. Step 5: Solve for x
   x = 120,519,377.97/12,196.06
6. Step 6: Final answer
   x = 9,881.83