Finding the Fourth Proportional to 3,765.81, 5,196.63 and 2,087.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,765.81 : 5,196.63 = 2,087.08 : x
2. Step 2: Convert to fraction form
   3,765.81/5,196.63 = 2,087.08/x
3. Step 3: Cross multiply
   3,765.81x = 5,196.63 × 2,087.08
4. Step 4: Simplify right side
   3,765.81x = 10,845,782.54
5. Step 5: Solve for x
   x = 10,845,782.54/3,765.81
6. Step 6: Final answer
   x = 2,880.07