Finding the Fourth Proportional to 1,150.73, 1,721.71 and 698.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.73 : 1,721.71 = 698.25 : x
2. Step 2: Convert to fraction form
   1,150.73/1,721.71 = 698.25/x
3. Step 3: Cross multiply
   1,150.73x = 1,721.71 × 698.25
4. Step 4: Simplify right side
   1,150.73x = 1,202,184.01
5. Step 5: Solve for x
   x = 1,202,184.01/1,150.73
6. Step 6: Final answer
   x = 1,044.71