Finding the Fourth Proportional to 1,264.80, 1,745.37 and 705.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.80 : 1,745.37 = 705.33 : x
2. Step 2: Convert to fraction form
   1,264.80/1,745.37 = 705.33/x
3. Step 3: Cross multiply
   1,264.80x = 1,745.37 × 705.33
4. Step 4: Simplify right side
   1,264.80x = 1,231,061.82
5. Step 5: Solve for x
   x = 1,231,061.82/1,264.80
6. Step 6: Final answer
   x = 973.33