Finding the Fourth Proportional to 2,066.80, 3,083.50 and 1,951.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.80 : 3,083.50 = 1,951.60 : x
2. Step 2: Convert to fraction form
   2,066.80/3,083.50 = 1,951.60/x
3. Step 3: Cross multiply
   2,066.80x = 3,083.50 × 1,951.60
4. Step 4: Simplify right side
   2,066.80x = 6,017,758.60
5. Step 5: Solve for x
   x = 6,017,758.60/2,066.80
6. Step 6: Final answer
   x = 2,911.63