Finding the Fourth Proportional to 1,256.27, 1,733.51 and 696.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256.27 : 1,733.51 = 696.69 : x
2. Step 2: Convert to fraction form
   1,256.27/1,733.51 = 696.69/x
3. Step 3: Cross multiply
   1,256.27x = 1,733.51 × 696.69
4. Step 4: Simplify right side
   1,256.27x = 1,207,715.60
5. Step 5: Solve for x
   x = 1,207,715.60/1,256.27
6. Step 6: Final answer
   x = 961.35