Finding the Fourth Proportional to 3,574.23, 4,931.59 and 2,081.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,574.23 : 4,931.59 = 2,081.25 : x
2. Step 2: Convert to fraction form
   3,574.23/4,931.59 = 2,081.25/x
3. Step 3: Cross multiply
   3,574.23x = 4,931.59 × 2,081.25
4. Step 4: Simplify right side
   3,574.23x = 10,263,871.69
5. Step 5: Solve for x
   x = 10,263,871.69/3,574.23
6. Step 6: Final answer
   x = 2,871.63