Finding the Fourth Proportional to 2,705.15, 4,055.46 and 1,146.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,705.15 : 4,055.46 = 1,146.35 : x
2. Step 2: Convert to fraction form
   2,705.15/4,055.46 = 1,146.35/x
3. Step 3: Cross multiply
   2,705.15x = 4,055.46 × 1,146.35
4. Step 4: Simplify right side
   2,705.15x = 4,648,976.57
5. Step 5: Solve for x
   x = 4,648,976.57/2,705.15
6. Step 6: Final answer
   x = 1,718.57