Finding the Fourth Proportional to 8,081.14, 12,117.81 and 2,816.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.14 : 12,117.81 = 2,816.03 : x
2. Step 2: Convert to fraction form
   8,081.14/12,117.81 = 2,816.03/x
3. Step 3: Cross multiply
   8,081.14x = 12,117.81 × 2,816.03
4. Step 4: Simplify right side
   8,081.14x = 34,124,116.49
5. Step 5: Solve for x
   x = 34,124,116.49/8,081.14
6. Step 6: Final answer
   x = 4,222.69