Finding the Fourth Proportional to 2,276.64, 3,142.83 and 1,717.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.64 : 3,142.83 = 1,717.35 : x
2. Step 2: Convert to fraction form
   2,276.64/3,142.83 = 1,717.35/x
3. Step 3: Cross multiply
   2,276.64x = 3,142.83 × 1,717.35
4. Step 4: Simplify right side
   2,276.64x = 5,397,339.10
5. Step 5: Solve for x
   x = 5,397,339.10/2,276.64
6. Step 6: Final answer
   x = 2,370.75