Finding the Fourth Proportional to 2,339.21, 3,498.49 and 2,081.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.21 : 3,498.49 = 2,081.03 : x
2. Step 2: Convert to fraction form
   2,339.21/3,498.49 = 2,081.03/x
3. Step 3: Cross multiply
   2,339.21x = 3,498.49 × 2,081.03
4. Step 4: Simplify right side
   2,339.21x = 7,280,447.75
5. Step 5: Solve for x
   x = 7,280,447.75/2,339.21
6. Step 6: Final answer
   x = 3,112.35