Finding the Fourth Proportional to 2,300.97, 3,175.31 and 1,253.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.97 : 3,175.31 = 1,253.03 : x
2. Step 2: Convert to fraction form
   2,300.97/3,175.31 = 1,253.03/x
3. Step 3: Cross multiply
   2,300.97x = 3,175.31 × 1,253.03
4. Step 4: Simplify right side
   2,300.97x = 3,978,769.76
5. Step 5: Solve for x
   x = 3,978,769.76/2,300.97
6. Step 6: Final answer
   x = 1,729.17