Finding the Fourth Proportional to 2,766.56, 3,817.92 and 1,718.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.56 : 3,817.92 = 1,718.72 : x
2. Step 2: Convert to fraction form
   2,766.56/3,817.92 = 1,718.72/x
3. Step 3: Cross multiply
   2,766.56x = 3,817.92 × 1,718.72
4. Step 4: Simplify right side
   2,766.56x = 6,561,935.46
5. Step 5: Solve for x
   x = 6,561,935.46/2,766.56
6. Step 6: Final answer
   x = 2,371.88