Finding the Fourth Proportional to 2,072.96, 3,093.20 and 1,855.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.96 : 3,093.20 = 1,855.04 : x
2. Step 2: Convert to fraction form
   2,072.96/3,093.20 = 1,855.04/x
3. Step 3: Cross multiply
   2,072.96x = 3,093.20 × 1,855.04
4. Step 4: Simplify right side
   2,072.96x = 5,738,009.73
5. Step 5: Solve for x
   x = 5,738,009.73/2,072.96
6. Step 6: Final answer
   x = 2,768.03