Finding the Fourth Proportional to 8,123.28, 12,184.76 and 2,576.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.28 : 12,184.76 = 2,576.62 : x
2. Step 2: Convert to fraction form
   8,123.28/12,184.76 = 2,576.62/x
3. Step 3: Cross multiply
   8,123.28x = 12,184.76 × 2,576.62
4. Step 4: Simplify right side
   8,123.28x = 31,395,496.31
5. Step 5: Solve for x
   x = 31,395,496.31/8,123.28
6. Step 6: Final answer
   x = 3,864.88