Finding the Fourth Proportional to 2,304.29, 3,179.91 and 1,256.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,304.29 : 3,179.91 = 1,256.35 : x
2. Step 2: Convert to fraction form
   2,304.29/3,179.91 = 1,256.35/x
3. Step 3: Cross multiply
   2,304.29x = 3,179.91 × 1,256.35
4. Step 4: Simplify right side
   2,304.29x = 3,995,071.98
5. Step 5: Solve for x
   x = 3,995,071.98/2,304.29
6. Step 6: Final answer
   x = 1,733.76