Finding the Fourth Proportional to 1,069.43, 1,475.94 and 649.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.43 : 1,475.94 = 649.89 : x
2. Step 2: Convert to fraction form
   1,069.43/1,475.94 = 649.89/x
3. Step 3: Cross multiply
   1,069.43x = 1,475.94 × 649.89
4. Step 4: Simplify right side
   1,069.43x = 959,198.65
5. Step 5: Solve for x
   x = 959,198.65/1,069.43
6. Step 6: Final answer
   x = 896.92