Finding the Fourth Proportional to 2,814.15, 3,884.06 and 1,855.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.15 : 3,884.06 = 1,855.37 : x
2. Step 2: Convert to fraction form
   2,814.15/3,884.06 = 1,855.37/x
3. Step 3: Cross multiply
   2,814.15x = 3,884.06 × 1,855.37
4. Step 4: Simplify right side
   2,814.15x = 7,206,369.52
5. Step 5: Solve for x
   x = 7,206,369.52/2,814.15
6. Step 6: Final answer
   x = 2,560.77