Finding the Fourth Proportional to 8,018.88, 12,072.89 and 6,947.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,018.88 : 12,072.89 = 6,947.25 : x
2. Step 2: Convert to fraction form
   8,018.88/12,072.89 = 6,947.25/x
3. Step 3: Cross multiply
   8,018.88x = 12,072.89 × 6,947.25
4. Step 4: Simplify right side
   8,018.88x = 83,873,350.32
5. Step 5: Solve for x
   x = 83,873,350.32/8,018.88
6. Step 6: Final answer
   x = 10,459.48