Finding the Fourth Proportional to 2,301.86, 3,176.60 and 1,253.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.86 : 3,176.60 = 1,253.92 : x
2. Step 2: Convert to fraction form
   2,301.86/3,176.60 = 1,253.92/x
3. Step 3: Cross multiply
   2,301.86x = 3,176.60 × 1,253.92
4. Step 4: Simplify right side
   2,301.86x = 3,983,188.06
5. Step 5: Solve for x
   x = 3,983,188.06/2,301.86
6. Step 6: Final answer
   x = 1,730.43