Finding the Fourth Proportional to 2,301.39, 3,175.89 and 1,253.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.39 : 3,175.89 = 1,253.43 : x
2. Step 2: Convert to fraction form
   2,301.39/3,175.89 = 1,253.43/x
3. Step 3: Cross multiply
   2,301.39x = 3,175.89 × 1,253.43
4. Step 4: Simplify right side
   2,301.39x = 3,980,755.80
5. Step 5: Solve for x
   x = 3,980,755.80/2,301.39
6. Step 6: Final answer
   x = 1,729.72