Finding the Fourth Proportional to 2,301.24, 3,175.68 and 1,253.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.24 : 3,175.68 = 1,253.31 : x
2. Step 2: Convert to fraction form
   2,301.24/3,175.68 = 1,253.31/x
3. Step 3: Cross multiply
   2,301.24x = 3,175.68 × 1,253.31
4. Step 4: Simplify right side
   2,301.24x = 3,980,111.50
5. Step 5: Solve for x
   x = 3,980,111.50/2,301.24
6. Step 6: Final answer
   x = 1,729.55