Finding the Fourth Proportional to 8,018.96, 12,025.56 and 3,086.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,018.96 : 12,025.56 = 3,086.12 : x
2. Step 2: Convert to fraction form
   8,018.96/12,025.56 = 3,086.12/x
3. Step 3: Cross multiply
   8,018.96x = 12,025.56 × 3,086.12
4. Step 4: Simplify right side
   8,018.96x = 37,112,321.23
5. Step 5: Solve for x
   x = 37,112,321.23/8,018.96
6. Step 6: Final answer
   x = 4,628.07