Finding the Fourth Proportional to 3,653.60, 5,041.82 and 2,081.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,653.60 : 5,041.82 = 2,081.56 : x
2. Step 2: Convert to fraction form
   3,653.60/5,041.82 = 2,081.56/x
3. Step 3: Cross multiply
   3,653.60x = 5,041.82 × 2,081.56
4. Step 4: Simplify right side
   3,653.60x = 10,494,850.84
5. Step 5: Solve for x
   x = 10,494,850.84/3,653.60
6. Step 6: Final answer
   x = 2,872.47