Finding the Fourth Proportional to 2,304.61, 3,180.34 and 1,256.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,304.61 : 3,180.34 = 1,256.69 : x
2. Step 2: Convert to fraction form
   2,304.61/3,180.34 = 1,256.69/x
3. Step 3: Cross multiply
   2,304.61x = 3,180.34 × 1,256.69
4. Step 4: Simplify right side
   2,304.61x = 3,996,701.47
5. Step 5: Solve for x
   x = 3,996,701.47/2,304.61
6. Step 6: Final answer
   x = 1,734.22