Finding the Fourth Proportional to 1,259.43, 1,738.02 and 699.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259.43 : 1,738.02 = 699.93 : x
2. Step 2: Convert to fraction form
   1,259.43/1,738.02 = 699.93/x
3. Step 3: Cross multiply
   1,259.43x = 1,738.02 × 699.93
4. Step 4: Simplify right side
   1,259.43x = 1,216,494.96
5. Step 5: Solve for x
   x = 1,216,494.96/1,259.43
6. Step 6: Final answer
   x = 965.91