Finding the Fourth Proportional to 3,682.60, 5,081.72 and 2,003.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,682.60 : 5,081.72 = 2,003.98 : x
2. Step 2: Convert to fraction form
   3,682.60/5,081.72 = 2,003.98/x
3. Step 3: Cross multiply
   3,682.60x = 5,081.72 × 2,003.98
4. Step 4: Simplify right side
   3,682.60x = 10,183,665.25
5. Step 5: Solve for x
   x = 10,183,665.25/3,682.60
6. Step 6: Final answer
   x = 2,765.35