Finding the Fourth Proportional to 12,196.59, 16,831.29 and 6,607.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.59 : 16,831.29 = 6,607.59 : x
2. Step 2: Convert to fraction form
   12,196.59/16,831.29 = 6,607.59/x
3. Step 3: Cross multiply
   12,196.59x = 16,831.29 × 6,607.59
4. Step 4: Simplify right side
   12,196.59x = 111,214,263.49
5. Step 5: Solve for x
   x = 111,214,263.49/12,196.59
6. Step 6: Final answer
   x = 9,118.47