Finding the Fourth Proportional to 2,304.90, 3,180.69 and 1,256.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,304.90 : 3,180.69 = 1,256.94 : x
2. Step 2: Convert to fraction form
   2,304.90/3,180.69 = 1,256.94/x
3. Step 3: Cross multiply
   2,304.90x = 3,180.69 × 1,256.94
4. Step 4: Simplify right side
   2,304.90x = 3,997,936.49
5. Step 5: Solve for x
   x = 3,997,936.49/2,304.90
6. Step 6: Final answer
   x = 1,734.54