Finding the Fourth Proportional to 2,304.82, 3,180.68 and 1,256.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,304.82 : 3,180.68 = 1,256.87 : x
2. Step 2: Convert to fraction form
   2,304.82/3,180.68 = 1,256.87/x
3. Step 3: Cross multiply
   2,304.82x = 3,180.68 × 1,256.87
4. Step 4: Simplify right side
   2,304.82x = 3,997,701.27
5. Step 5: Solve for x
   x = 3,997,701.27/2,304.82
6. Step 6: Final answer
   x = 1,734.50