Finding the Fourth Proportional to 3,105.33, 4,659.92 and 1,256.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.33 : 4,659.92 = 1,256.46 : x
2. Step 2: Convert to fraction form
   3,105.33/4,659.92 = 1,256.46/x
3. Step 3: Cross multiply
   3,105.33x = 4,659.92 × 1,256.46
4. Step 4: Simplify right side
   3,105.33x = 5,855,003.08
5. Step 5: Solve for x
   x = 5,855,003.08/3,105.33
6. Step 6: Final answer
   x = 1,885.47