Finding the Fourth Proportional to 3,760.42, 5,189.13 and 2,081.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.42 : 5,189.13 = 2,081.91 : x
2. Step 2: Convert to fraction form
   3,760.42/5,189.13 = 2,081.91/x
3. Step 3: Cross multiply
   3,760.42x = 5,189.13 × 2,081.91
4. Step 4: Simplify right side
   3,760.42x = 10,803,301.64
5. Step 5: Solve for x
   x = 10,803,301.64/3,760.42
6. Step 6: Final answer
   x = 2,872.90