Finding the Fourth Proportional to 8,020.57, 12,030.72 and 3,343.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,020.57 : 12,030.72 = 3,343.09 : x
2. Step 2: Convert to fraction form
   8,020.57/12,030.72 = 3,343.09/x
3. Step 3: Cross multiply
   8,020.57x = 12,030.72 × 3,343.09
4. Step 4: Simplify right side
   8,020.57x = 40,219,779.72
5. Step 5: Solve for x
   x = 40,219,779.72/8,020.57
6. Step 6: Final answer
   x = 5,014.58