Finding the Fourth Proportional to 2,661.97, 3,994.32 and 2,016.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.97 : 3,994.32 = 2,016.67 : x
2. Step 2: Convert to fraction form
   2,661.97/3,994.32 = 2,016.67/x
3. Step 3: Cross multiply
   2,661.97x = 3,994.32 × 2,016.67
4. Step 4: Simplify right side
   2,661.97x = 8,055,225.31
5. Step 5: Solve for x
   x = 8,055,225.31/2,661.97
6. Step 6: Final answer
   x = 3,026.04