Finding the Fourth Proportional to 3,258.63, 4,499.13 and 2,081.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,258.63 : 4,499.13 = 2,081.30 : x
2. Step 2: Convert to fraction form
   3,258.63/4,499.13 = 2,081.30/x
3. Step 3: Cross multiply
   3,258.63x = 4,499.13 × 2,081.30
4. Step 4: Simplify right side
   3,258.63x = 9,364,016.77
5. Step 5: Solve for x
   x = 9,364,016.77/3,258.63
6. Step 6: Final answer
   x = 2,873.61