Finding the Fourth Proportional to 3,765.72, 5,196.46 and 2,087.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,765.72 : 5,196.46 = 2,087.10 : x
2. Step 2: Convert to fraction form
   3,765.72/5,196.46 = 2,087.10/x
3. Step 3: Cross multiply
   3,765.72x = 5,196.46 × 2,087.10
4. Step 4: Simplify right side
   3,765.72x = 10,845,531.67
5. Step 5: Solve for x
   x = 10,845,531.67/3,765.72
6. Step 6: Final answer
   x = 2,880.07