Finding the Fourth Proportional to 1,949.88, 2,690.72 and 1,065.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.88 : 2,690.72 = 1,065.51 : x
2. Step 2: Convert to fraction form
   1,949.88/2,690.72 = 1,065.51/x
3. Step 3: Cross multiply
   1,949.88x = 2,690.72 × 1,065.51
4. Step 4: Simplify right side
   1,949.88x = 2,866,983.74
5. Step 5: Solve for x
   x = 2,866,983.74/1,949.88
6. Step 6: Final answer
   x = 1,470.34