Finding the Fourth Proportional to 1,264.86, 1,745.56 and 705.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.86 : 1,745.56 = 705.41 : x
2. Step 2: Convert to fraction form
   1,264.86/1,745.56 = 705.41/x
3. Step 3: Cross multiply
   1,264.86x = 1,745.56 × 705.41
4. Step 4: Simplify right side
   1,264.86x = 1,231,323.22
5. Step 5: Solve for x
   x = 1,231,323.22/1,264.86
6. Step 6: Final answer
   x = 973.49