Finding the Fourth Proportional to 3,653.52, 5,041.27 and 2,081.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,653.52 : 5,041.27 = 2,081.31 : x
2. Step 2: Convert to fraction form
   3,653.52/5,041.27 = 2,081.31/x
3. Step 3: Cross multiply
   3,653.52x = 5,041.27 × 2,081.31
4. Step 4: Simplify right side
   3,653.52x = 10,492,445.66
5. Step 5: Solve for x
   x = 10,492,445.66/3,653.52
6. Step 6: Final answer
   x = 2,871.87