Finding the Fourth Proportional to 8,018.05, 12,018.43 and 4,553.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,018.05 : 12,018.43 = 4,553.41 : x
2. Step 2: Convert to fraction form
   8,018.05/12,018.43 = 4,553.41/x
3. Step 3: Cross multiply
   8,018.05x = 12,018.43 × 4,553.41
4. Step 4: Simplify right side
   8,018.05x = 54,724,767.87
5. Step 5: Solve for x
   x = 54,724,767.87/8,018.05
6. Step 6: Final answer
   x = 6,825.20