Finding the Fourth Proportional to 3,705.82, 5,556.12 and 1,855.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.82 : 5,556.12 = 1,855.62 : x
2. Step 2: Convert to fraction form
   3,705.82/5,556.12 = 1,855.62/x
3. Step 3: Cross multiply
   3,705.82x = 5,556.12 × 1,855.62
4. Step 4: Simplify right side
   3,705.82x = 10,310,047.39
5. Step 5: Solve for x
   x = 10,310,047.39/3,705.82
6. Step 6: Final answer
   x = 2,782.12