Finding the Fourth Proportional to 1,069.25, 1,476.78 and 719.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.25 : 1,476.78 = 719.33 : x
2. Step 2: Convert to fraction form
   1,069.25/1,476.78 = 719.33/x
3. Step 3: Cross multiply
   1,069.25x = 1,476.78 × 719.33
4. Step 4: Simplify right side
   1,069.25x = 1,062,292.16
5. Step 5: Solve for x
   x = 1,062,292.16/1,069.25
6. Step 6: Final answer
   x = 993.49