Finding the Fourth Proportional to 8,019.57, 12,029.35 and 3,576.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,019.57 : 12,029.35 = 3,576.09 : x
2. Step 2: Convert to fraction form
   8,019.57/12,029.35 = 3,576.09/x
3. Step 3: Cross multiply
   8,019.57x = 12,029.35 × 3,576.09
4. Step 4: Simplify right side
   8,019.57x = 43,018,029.30
5. Step 5: Solve for x
   x = 43,018,029.30/8,019.57
6. Step 6: Final answer
   x = 5,364.13