Finding the Fourth Proportional to 8,020.26, 12,031.89 and 3,089.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,020.26 : 12,031.89 = 3,089.46 : x
2. Step 2: Convert to fraction form
   8,020.26/12,031.89 = 3,089.46/x
3. Step 3: Cross multiply
   8,020.26x = 12,031.89 × 3,089.46
4. Step 4: Simplify right side
   8,020.26x = 37,172,042.88
5. Step 5: Solve for x
   x = 37,172,042.88/8,020.26
6. Step 6: Final answer
   x = 4,634.77