Finding the Fourth Proportional to 8,020.10, 12,030.15 and 2,826.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,020.10 : 12,030.15 = 2,826.38 : x
2. Step 2: Convert to fraction form
   8,020.10/12,030.15 = 2,826.38/x
3. Step 3: Cross multiply
   8,020.10x = 12,030.15 × 2,826.38
4. Step 4: Simplify right side
   8,020.10x = 34,001,715.21
5. Step 5: Solve for x
   x = 34,001,715.21/8,020.10
6. Step 6: Final answer
   x = 4,239.57