Finding the Fourth Proportional to 1,294.73, 1,786.73 and 705.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294.73 : 1,786.73 = 705.31 : x
2. Step 2: Convert to fraction form
   1,294.73/1,786.73 = 705.31/x
3. Step 3: Cross multiply
   1,294.73x = 1,786.73 × 705.31
4. Step 4: Simplify right side
   1,294.73x = 1,260,196.49
5. Step 5: Solve for x
   x = 1,260,196.49/1,294.73
6. Step 6: Final answer
   x = 973.32