Finding the Fourth Proportional to 3,760.20, 5,188.96 and 2,081.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.20 : 5,188.96 = 2,081.56 : x
2. Step 2: Convert to fraction form
   3,760.20/5,188.96 = 2,081.56/x
3. Step 3: Cross multiply
   3,760.20x = 5,188.96 × 2,081.56
4. Step 4: Simplify right side
   3,760.20x = 10,801,131.58
5. Step 5: Solve for x
   x = 10,801,131.58/3,760.20
6. Step 6: Final answer
   x = 2,872.49