Finding the Fourth Proportional to 3,760.05, 5,188.78 and 2,081.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.05 : 5,188.78 = 2,081.35 : x
2. Step 2: Convert to fraction form
   3,760.05/5,188.78 = 2,081.35/x
3. Step 3: Cross multiply
   3,760.05x = 5,188.78 × 2,081.35
4. Step 4: Simplify right side
   3,760.05x = 10,799,656.85
5. Step 5: Solve for x
   x = 10,799,656.85/3,760.05
6. Step 6: Final answer
   x = 2,872.21