Finding the Fourth Proportional to 2,086.55, 3,133.40 and 1,852.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.55 : 3,133.40 = 1,852.81 : x
2. Step 2: Convert to fraction form
   2,086.55/3,133.40 = 1,852.81/x
3. Step 3: Cross multiply
   2,086.55x = 3,133.40 × 1,852.81
4. Step 4: Simplify right side
   2,086.55x = 5,805,594.85
5. Step 5: Solve for x
   x = 5,805,594.85/2,086.55
6. Step 6: Final answer
   x = 2,782.39