Finding the Fourth Proportional to 8,116.14, 12,172.56 and 2,271.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,116.14 : 12,172.56 = 2,271.18 : x
2. Step 2: Convert to fraction form
   8,116.14/12,172.56 = 2,271.18/x
3. Step 3: Cross multiply
   8,116.14x = 12,172.56 × 2,271.18
4. Step 4: Simplify right side
   8,116.14x = 27,646,074.82
5. Step 5: Solve for x
   x = 27,646,074.82/8,116.14
6. Step 6: Final answer
   x = 3,406.31