Finding the Fourth Proportional to 3,760.96, 5,189.86 and 2,082.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.96 : 5,189.86 = 2,082.20 : x
2. Step 2: Convert to fraction form
   3,760.96/5,189.86 = 2,082.20/x
3. Step 3: Cross multiply
   3,760.96x = 5,189.86 × 2,082.20
4. Step 4: Simplify right side
   3,760.96x = 10,806,326.49
5. Step 5: Solve for x
   x = 10,806,326.49/3,760.96
6. Step 6: Final answer
   x = 2,873.29