Finding the Fourth Proportional to 1,949.22, 2,689.89 and 1,064.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.22 : 2,689.89 = 1,064.94 : x
2. Step 2: Convert to fraction form
   1,949.22/2,689.89 = 1,064.94/x
3. Step 3: Cross multiply
   1,949.22x = 2,689.89 × 1,064.94
4. Step 4: Simplify right side
   1,949.22x = 2,864,571.46
5. Step 5: Solve for x
   x = 2,864,571.46/1,949.22
6. Step 6: Final answer
   x = 1,469.60