Finding the Fourth Proportional to 8,131.03, 12,196.59 and 2,287.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131.03 : 12,196.59 = 2,287.69 : x
2. Step 2: Convert to fraction form
   8,131.03/12,196.59 = 2,287.69/x
3. Step 3: Cross multiply
   8,131.03x = 12,196.59 × 2,287.69
4. Step 4: Simplify right side
   8,131.03x = 27,902,016.98
5. Step 5: Solve for x
   x = 27,902,016.98/8,131.03
6. Step 6: Final answer
   x = 3,431.55