Finding the Fourth Proportional to 8,131.04, 12,196.60 and 2,287.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131.04 : 12,196.60 = 2,287.68 : x
2. Step 2: Convert to fraction form
   8,131.04/12,196.60 = 2,287.68/x
3. Step 3: Cross multiply
   8,131.04x = 12,196.60 × 2,287.68
4. Step 4: Simplify right side
   8,131.04x = 27,901,917.89
5. Step 5: Solve for x
   x = 27,901,917.89/8,131.04
6. Step 6: Final answer
   x = 3,431.53