Finding the Fourth Proportional to 2,714.74, 3,754.23 and 2,665.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,714.74 : 3,754.23 = 2,665.55 : x
2. Step 2: Convert to fraction form
   2,714.74/3,754.23 = 2,665.55/x
3. Step 3: Cross multiply
   2,714.74x = 3,754.23 × 2,665.55
4. Step 4: Simplify right side
   2,714.74x = 10,007,087.78
5. Step 5: Solve for x
   x = 10,007,087.78/2,714.74
6. Step 6: Final answer
   x = 3,686.20