Finding the Fourth Proportional to 12,020.00, 18,024.98 and 5,778.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,020.00 : 18,024.98 = 5,778.54 : x
2. Step 2: Convert to fraction form
   12,020.00/18,024.98 = 5,778.54/x
3. Step 3: Cross multiply
   12,020.00x = 18,024.98 × 5,778.54
4. Step 4: Simplify right side
   12,020.00x = 104,158,039.04
5. Step 5: Solve for x
   x = 104,158,039.04/12,020.00
6. Step 6: Final answer
   x = 8,665.40