Finding the Fourth Proportional to 3,765.48, 5,196.72 and 2,087.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,765.48 : 5,196.72 = 2,087.43 : x
2. Step 2: Convert to fraction form
   3,765.48/5,196.72 = 2,087.43/x
3. Step 3: Cross multiply
   3,765.48x = 5,196.72 × 2,087.43
4. Step 4: Simplify right side
   3,765.48x = 10,847,789.23
5. Step 5: Solve for x
   x = 10,847,789.23/3,765.48
6. Step 6: Final answer
   x = 2,880.85