Finding the Fourth Proportional to 1,253.58, 1,730.01 and 694.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.58 : 1,730.01 = 694.03 : x
2. Step 2: Convert to fraction form
   1,253.58/1,730.01 = 694.03/x
3. Step 3: Cross multiply
   1,253.58x = 1,730.01 × 694.03
4. Step 4: Simplify right side
   1,253.58x = 1,200,678.89
5. Step 5: Solve for x
   x = 1,200,678.89/1,253.58
6. Step 6: Final answer
   x = 957.80