Finding the Fourth Proportional to 1,259.75, 1,738.31 and 700.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259.75 : 1,738.31 = 700.09 : x
2. Step 2: Convert to fraction form
   1,259.75/1,738.31 = 700.09/x
3. Step 3: Cross multiply
   1,259.75x = 1,738.31 × 700.09
4. Step 4: Simplify right side
   1,259.75x = 1,216,970.85
5. Step 5: Solve for x
   x = 1,216,970.85/1,259.75
6. Step 6: Final answer
   x = 966.05