Finding the Fourth Proportional to 3,653.52, 5,041.90 and 2,081.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,653.52 : 5,041.90 = 2,081.62 : x
2. Step 2: Convert to fraction form
   3,653.52/5,041.90 = 2,081.62/x
3. Step 3: Cross multiply
   3,653.52x = 5,041.90 × 2,081.62
4. Step 4: Simplify right side
   3,653.52x = 10,495,319.88
5. Step 5: Solve for x
   x = 10,495,319.88/3,653.52
6. Step 6: Final answer
   x = 2,872.66