Finding the Fourth Proportional to 3,573.49, 4,931.56 and 2,081.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573.49 : 4,931.56 = 2,081.16 : x
2. Step 2: Convert to fraction form
   3,573.49/4,931.56 = 2,081.16/x
3. Step 3: Cross multiply
   3,573.49x = 4,931.56 × 2,081.16
4. Step 4: Simplify right side
   3,573.49x = 10,263,370.61
5. Step 5: Solve for x
   x = 10,263,370.61/3,573.49
6. Step 6: Final answer
   x = 2,872.09