Finding the Fourth Proportional to 2,661.84, 3,671.94 and 1,665.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.84 : 3,671.94 = 1,665.27 : x
2. Step 2: Convert to fraction form
   2,661.84/3,671.94 = 1,665.27/x
3. Step 3: Cross multiply
   2,661.84x = 3,671.94 × 1,665.27
4. Step 4: Simplify right side
   2,661.84x = 6,114,771.52
5. Step 5: Solve for x
   x = 6,114,771.52/2,661.84
6. Step 6: Final answer
   x = 2,297.20