Finding the Fourth Proportional to 1,949.63, 2,690.46 and 1,065.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.63 : 2,690.46 = 1,065.42 : x
2. Step 2: Convert to fraction form
   1,949.63/2,690.46 = 1,065.42/x
3. Step 3: Cross multiply
   1,949.63x = 2,690.46 × 1,065.42
4. Step 4: Simplify right side
   1,949.63x = 2,866,469.89
5. Step 5: Solve for x
   x = 2,866,469.89/1,949.63
6. Step 6: Final answer
   x = 1,470.27