Finding the Fourth Proportional to 8,076.04, 12,114.46 and 2,811.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,076.04 : 12,114.46 = 2,811.30 : x
2. Step 2: Convert to fraction form
   8,076.04/12,114.46 = 2,811.30/x
3. Step 3: Cross multiply
   8,076.04x = 12,114.46 × 2,811.30
4. Step 4: Simplify right side
   8,076.04x = 34,057,381.40
5. Step 5: Solve for x
   x = 34,057,381.40/8,076.04
6. Step 6: Final answer
   x = 4,217.09