Finding the Fourth Proportional to 3,086.16, 4,626.42 and 1,236.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.16 : 4,626.42 = 1,236.96 : x
2. Step 2: Convert to fraction form
   3,086.16/4,626.42 = 1,236.96/x
3. Step 3: Cross multiply
   3,086.16x = 4,626.42 × 1,236.96
4. Step 4: Simplify right side
   3,086.16x = 5,722,696.48
5. Step 5: Solve for x
   x = 5,722,696.48/3,086.16
6. Step 6: Final answer
   x = 1,854.31