Finding the Fourth Proportional to 8,020.58, 12,031.23 and 2,826.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,020.58 : 12,031.23 = 2,826.50 : x
2. Step 2: Convert to fraction form
   8,020.58/12,031.23 = 2,826.50/x
3. Step 3: Cross multiply
   8,020.58x = 12,031.23 × 2,826.50
4. Step 4: Simplify right side
   8,020.58x = 34,006,271.60
5. Step 5: Solve for x
   x = 34,006,271.60/8,020.58
6. Step 6: Final answer
   x = 4,239.88