Finding the Fourth Proportional to 8,074.72, 12,112.31 and 2,231.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,074.72 : 12,112.31 = 2,231.33 : x
2. Step 2: Convert to fraction form
   8,074.72/12,112.31 = 2,231.33/x
3. Step 3: Cross multiply
   8,074.72x = 12,112.31 × 2,231.33
4. Step 4: Simplify right side
   8,074.72x = 27,026,560.67
5. Step 5: Solve for x
   x = 27,026,560.67/8,074.72
6. Step 6: Final answer
   x = 3,347.06