Finding the Fourth Proportional to 2,796.79, 3,855.09 and 1,900.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.79 : 3,855.09 = 1,900.27 : x
2. Step 2: Convert to fraction form
   2,796.79/3,855.09 = 1,900.27/x
3. Step 3: Cross multiply
   2,796.79x = 3,855.09 × 1,900.27
4. Step 4: Simplify right side
   2,796.79x = 7,325,711.87
5. Step 5: Solve for x
   x = 7,325,711.87/2,796.79
6. Step 6: Final answer
   x = 2,619.33