Finding the Fourth Proportional to 8,227.58, 12,338.70 and 2,679.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,227.58 : 12,338.70 = 2,679.46 : x
2. Step 2: Convert to fraction form
   8,227.58/12,338.70 = 2,679.46/x
3. Step 3: Cross multiply
   8,227.58x = 12,338.70 × 2,679.46
4. Step 4: Simplify right side
   8,227.58x = 33,061,053.10
5. Step 5: Solve for x
   x = 33,061,053.10/8,227.58
6. Step 6: Final answer
   x = 4,018.32