Finding the Fourth Proportional to 2,304.17, 3,179.76 and 1,256.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,304.17 : 3,179.76 = 1,256.30 : x
2. Step 2: Convert to fraction form
   2,304.17/3,179.76 = 1,256.30/x
3. Step 3: Cross multiply
   2,304.17x = 3,179.76 × 1,256.30
4. Step 4: Simplify right side
   2,304.17x = 3,994,732.49
5. Step 5: Solve for x
   x = 3,994,732.49/2,304.17
6. Step 6: Final answer
   x = 1,733.70