Finding the Fourth Proportional to 3,105.69, 4,656.73 and 1,255.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.69 : 4,656.73 = 1,255.29 : x
2. Step 2: Convert to fraction form
   3,105.69/4,656.73 = 1,255.29/x
3. Step 3: Cross multiply
   3,105.69x = 4,656.73 × 1,255.29
4. Step 4: Simplify right side
   3,105.69x = 5,845,546.60
5. Step 5: Solve for x
   x = 5,845,546.60/3,105.69
6. Step 6: Final answer
   x = 1,882.21