Finding the Fourth Proportional to 2,827.71, 4,231.17 and 1,713.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,827.71 : 4,231.17 = 1,713.15 : x
2. Step 2: Convert to fraction form
   2,827.71/4,231.17 = 1,713.15/x
3. Step 3: Cross multiply
   2,827.71x = 4,231.17 × 1,713.15
4. Step 4: Simplify right side
   2,827.71x = 7,248,628.89
5. Step 5: Solve for x
   x = 7,248,628.89/2,827.71
6. Step 6: Final answer
   x = 2,563.43