Finding the Fourth Proportional to 2,301.18, 3,175.52 and 1,253.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.18 : 3,175.52 = 1,253.22 : x
2. Step 2: Convert to fraction form
   2,301.18/3,175.52 = 1,253.22/x
3. Step 3: Cross multiply
   2,301.18x = 3,175.52 × 1,253.22
4. Step 4: Simplify right side
   2,301.18x = 3,979,625.17
5. Step 5: Solve for x
   x = 3,979,625.17/2,301.18
6. Step 6: Final answer
   x = 1,729.38