Finding the Fourth Proportional to 3,573.54, 4,931.94 and 2,081.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573.54 : 4,931.94 = 2,081.48 : x
2. Step 2: Convert to fraction form
   3,573.54/4,931.94 = 2,081.48/x
3. Step 3: Cross multiply
   3,573.54x = 4,931.94 × 2,081.48
4. Step 4: Simplify right side
   3,573.54x = 10,265,734.47
5. Step 5: Solve for x
   x = 10,265,734.47/3,573.54
6. Step 6: Final answer
   x = 2,872.71