Finding the Fourth Proportional to 1,253.86, 1,730.27 and 694.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.86 : 1,730.27 = 694.33 : x
2. Step 2: Convert to fraction form
   1,253.86/1,730.27 = 694.33/x
3. Step 3: Cross multiply
   1,253.86x = 1,730.27 × 694.33
4. Step 4: Simplify right side
   1,253.86x = 1,201,375.78
5. Step 5: Solve for x
   x = 1,201,375.78/1,253.86
6. Step 6: Final answer
   x = 958.14