Finding the Fourth Proportional to 1,264.93, 1,745.49 and 705.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.93 : 1,745.49 = 705.31 : x
2. Step 2: Convert to fraction form
   1,264.93/1,745.49 = 705.31/x
3. Step 3: Cross multiply
   1,264.93x = 1,745.49 × 705.31
4. Step 4: Simplify right side
   1,264.93x = 1,231,111.55
5. Step 5: Solve for x
   x = 1,231,111.55/1,264.93
6. Step 6: Final answer
   x = 973.26