Finding the Fourth Proportional to 1,253.67, 1,729.52 and 756.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.67 : 1,729.52 = 756.03 : x
2. Step 2: Convert to fraction form
   1,253.67/1,729.52 = 756.03/x
3. Step 3: Cross multiply
   1,253.67x = 1,729.52 × 756.03
4. Step 4: Simplify right side
   1,253.67x = 1,307,564.62
5. Step 5: Solve for x
   x = 1,307,564.62/1,253.67
6. Step 6: Final answer
   x = 1,042.99