Finding the Fourth Proportional to 1,259.98, 1,738.77 and 700.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259.98 : 1,738.77 = 700.45 : x
2. Step 2: Convert to fraction form
   1,259.98/1,738.77 = 700.45/x
3. Step 3: Cross multiply
   1,259.98x = 1,738.77 × 700.45
4. Step 4: Simplify right side
   1,259.98x = 1,217,921.45
5. Step 5: Solve for x
   x = 1,217,921.45/1,259.98
6. Step 6: Final answer
   x = 966.62