Finding the Fourth Proportional to 12,057.84, 16,626.42 and 7,576.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,057.84 : 16,626.42 = 7,576.20 : x
2. Step 2: Convert to fraction form
   12,057.84/16,626.42 = 7,576.20/x
3. Step 3: Cross multiply
   12,057.84x = 16,626.42 × 7,576.20
4. Step 4: Simplify right side
   12,057.84x = 125,965,083.20
5. Step 5: Solve for x
   x = 125,965,083.20/12,057.84
6. Step 6: Final answer
   x = 10,446.74