Finding the Fourth Proportional to 8,018.14, 12,026.83 and 5,386.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,018.14 : 12,026.83 = 5,386.76 : x
2. Step 2: Convert to fraction form
   8,018.14/12,026.83 = 5,386.76/x
3. Step 3: Cross multiply
   8,018.14x = 12,026.83 × 5,386.76
4. Step 4: Simplify right side
   8,018.14x = 64,785,559.70
5. Step 5: Solve for x
   x = 64,785,559.70/8,018.14
6. Step 6: Final answer
   x = 8,079.87