Finding the Fourth Proportional to 2,301.55, 3,176.14 and 1,253.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.55 : 3,176.14 = 1,253.61 : x
2. Step 2: Convert to fraction form
   2,301.55/3,176.14 = 1,253.61/x
3. Step 3: Cross multiply
   2,301.55x = 3,176.14 × 1,253.61
4. Step 4: Simplify right side
   2,301.55x = 3,981,640.87
5. Step 5: Solve for x
   x = 3,981,640.87/2,301.55
6. Step 6: Final answer
   x = 1,729.98