Finding the Fourth Proportional to 2,863.39, 3,951.71 and 1,604.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.39 : 3,951.71 = 1,604.72 : x
2. Step 2: Convert to fraction form
   2,863.39/3,951.71 = 1,604.72/x
3. Step 3: Cross multiply
   2,863.39x = 3,951.71 × 1,604.72
4. Step 4: Simplify right side
   2,863.39x = 6,341,389.93
5. Step 5: Solve for x
   x = 6,341,389.93/2,863.39
6. Step 6: Final answer
   x = 2,214.65