Finding the Fourth Proportional to 1,273.69, 1,756.41 and 1,173.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273.69 : 1,756.41 = 1,173.25 : x
2. Step 2: Convert to fraction form
   1,273.69/1,756.41 = 1,173.25/x
3. Step 3: Cross multiply
   1,273.69x = 1,756.41 × 1,173.25
4. Step 4: Simplify right side
   1,273.69x = 2,060,708.03
5. Step 5: Solve for x
   x = 2,060,708.03/1,273.69
6. Step 6: Final answer
   x = 1,617.90