Finding the Fourth Proportional to 2,527.92, 3,486.42 and 2,081.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,527.92 : 3,486.42 = 2,081.88 : x
2. Step 2: Convert to fraction form
   2,527.92/3,486.42 = 2,081.88/x
3. Step 3: Cross multiply
   2,527.92x = 3,486.42 × 2,081.88
4. Step 4: Simplify right side
   2,527.92x = 7,258,308.07
5. Step 5: Solve for x
   x = 7,258,308.07/2,527.92
6. Step 6: Final answer
   x = 2,871.26