Finding the Fourth Proportional to 2,301.72, 3,176.34 and 1,253.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.72 : 3,176.34 = 1,253.79 : x
2. Step 2: Convert to fraction form
   2,301.72/3,176.34 = 1,253.79/x
3. Step 3: Cross multiply
   2,301.72x = 3,176.34 × 1,253.79
4. Step 4: Simplify right side
   2,301.72x = 3,982,463.33
5. Step 5: Solve for x
   x = 3,982,463.33/2,301.72
6. Step 6: Final answer
   x = 1,730.21