Finding the Fourth Proportional to 1,253.36, 1,729.58 and 693.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.36 : 1,729.58 = 693.82 : x
2. Step 2: Convert to fraction form
   1,253.36/1,729.58 = 693.82/x
3. Step 3: Cross multiply
   1,253.36x = 1,729.58 × 693.82
4. Step 4: Simplify right side
   1,253.36x = 1,200,005.08
5. Step 5: Solve for x
   x = 1,200,005.08/1,253.36
6. Step 6: Final answer
   x = 957.43