Finding the Fourth Proportional to 3,803.05, 5,706.69 and 1,855.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,803.05 : 5,706.69 = 1,855.27 : x
2. Step 2: Convert to fraction form
   3,803.05/5,706.69 = 1,855.27/x
3. Step 3: Cross multiply
   3,803.05x = 5,706.69 × 1,855.27
4. Step 4: Simplify right side
   3,803.05x = 10,587,450.76
5. Step 5: Solve for x
   x = 10,587,450.76/3,803.05
6. Step 6: Final answer
   x = 2,783.94