Finding the Fourth Proportional to 2,712.16, 3,744.59 and 2,081.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,712.16 : 3,744.59 = 2,081.56 : x
2. Step 2: Convert to fraction form
   2,712.16/3,744.59 = 2,081.56/x
3. Step 3: Cross multiply
   2,712.16x = 3,744.59 × 2,081.56
4. Step 4: Simplify right side
   2,712.16x = 7,794,595.91
5. Step 5: Solve for x
   x = 7,794,595.91/2,712.16
6. Step 6: Final answer
   x = 2,873.95