Finding the Fourth Proportional to 3,765.43, 5,196.33 and 2,086.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,765.43 : 5,196.33 = 2,086.95 : x
2. Step 2: Convert to fraction form
   3,765.43/5,196.33 = 2,086.95/x
3. Step 3: Cross multiply
   3,765.43x = 5,196.33 × 2,086.95
4. Step 4: Simplify right side
   3,765.43x = 10,844,480.89
5. Step 5: Solve for x
   x = 10,844,480.89/3,765.43
6. Step 6: Final answer
   x = 2,880.01