Finding the Fourth Proportional to 4,081.10, 5,631.59 and 2,402.57

Step by Step Solution

1. Step 1: Write the proportion equation
   4,081.10 : 5,631.59 = 2,402.57 : x
2. Step 2: Convert to fraction form
   4,081.10/5,631.59 = 2,402.57/x
3. Step 3: Cross multiply
   4,081.10x = 5,631.59 × 2,402.57
4. Step 4: Simplify right side
   4,081.10x = 13,530,249.02
5. Step 5: Solve for x
   x = 13,530,249.02/4,081.10
6. Step 6: Final answer
   x = 3,315.35