Finding the Fourth Proportional to 2,758.35, 3,810.22 and 2,718.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.35 : 3,810.22 = 2,718.20 : x
2. Step 2: Convert to fraction form
   2,758.35/3,810.22 = 2,718.20/x
3. Step 3: Cross multiply
   2,758.35x = 3,810.22 × 2,718.20
4. Step 4: Simplify right side
   2,758.35x = 10,356,949.61
5. Step 5: Solve for x
   x = 10,356,949.61/2,758.35
6. Step 6: Final answer
   x = 3,754.76