Finding the Fourth Proportional to 3,765.62, 5,196.45 and 2,086.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,765.62 : 5,196.45 = 2,086.96 : x
2. Step 2: Convert to fraction form
   3,765.62/5,196.45 = 2,086.96/x
3. Step 3: Cross multiply
   3,765.62x = 5,196.45 × 2,086.96
4. Step 4: Simplify right side
   3,765.62x = 10,844,783.29
5. Step 5: Solve for x
   x = 10,844,783.29/3,765.62
6. Step 6: Final answer
   x = 2,879.95