Finding the Fourth Proportional to 1,253.59, 1,729.95 and 694.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.59 : 1,729.95 = 694.04 : x
2. Step 2: Convert to fraction form
   1,253.59/1,729.95 = 694.04/x
3. Step 3: Cross multiply
   1,253.59x = 1,729.95 × 694.04
4. Step 4: Simplify right side
   1,253.59x = 1,200,654.50
5. Step 5: Solve for x
   x = 1,200,654.50/1,253.59
6. Step 6: Final answer
   x = 957.77