Finding the Fourth Proportional to 2,081.55, 3,113.15 and 1,852.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.55 : 3,113.15 = 1,852.05 : x
2. Step 2: Convert to fraction form
   2,081.55/3,113.15 = 1,852.05/x
3. Step 3: Cross multiply
   2,081.55x = 3,113.15 × 1,852.05
4. Step 4: Simplify right side
   2,081.55x = 5,765,700.20
5. Step 5: Solve for x
   x = 5,765,700.20/2,081.55
6. Step 6: Final answer
   x = 2,769.91