Finding the Fourth Proportional to 3,760.53, 5,189.47 and 2,081.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.53 : 5,189.47 = 2,081.90 : x
2. Step 2: Convert to fraction form
   3,760.53/5,189.47 = 2,081.90/x
3. Step 3: Cross multiply
   3,760.53x = 5,189.47 × 2,081.90
4. Step 4: Simplify right side
   3,760.53x = 10,803,947.18
5. Step 5: Solve for x
   x = 10,803,947.18/3,760.53
6. Step 6: Final answer
   x = 2,872.99