Finding the Fourth Proportional to 3,653.53, 5,041.88 and 2,081.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,653.53 : 5,041.88 = 2,081.63 : x
2. Step 2: Convert to fraction form
   3,653.53/5,041.88 = 2,081.63/x
3. Step 3: Cross multiply
   3,653.53x = 5,041.88 × 2,081.63
4. Step 4: Simplify right side
   3,653.53x = 10,495,293.05
5. Step 5: Solve for x
   x = 10,495,293.05/3,653.53
6. Step 6: Final answer
   x = 2,872.64