Finding the Fourth Proportional to 3,682.21, 5,081.39 and 2,003.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,682.21 : 5,081.39 = 2,003.63 : x
2. Step 2: Convert to fraction form
   3,682.21/5,081.39 = 2,003.63/x
3. Step 3: Cross multiply
   3,682.21x = 5,081.39 × 2,003.63
4. Step 4: Simplify right side
   3,682.21x = 10,181,190.02
5. Step 5: Solve for x
   x = 10,181,190.02/3,682.21
6. Step 6: Final answer
   x = 2,764.97