Finding the Fourth Proportional to 3,682.24, 5,081.43 and 2,003.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,682.24 : 5,081.43 = 2,003.61 : x
2. Step 2: Convert to fraction form
   3,682.24/5,081.43 = 2,003.61/x
3. Step 3: Cross multiply
   3,682.24x = 5,081.43 × 2,003.61
4. Step 4: Simplify right side
   3,682.24x = 10,181,203.96
5. Step 5: Solve for x
   x = 10,181,203.96/3,682.24
6. Step 6: Final answer
   x = 2,764.95