Finding the Fourth Proportional to 3,760.23, 5,188.90 and 2,081.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.23 : 5,188.90 = 2,081.57 : x
2. Step 2: Convert to fraction form
   3,760.23/5,188.90 = 2,081.57/x
3. Step 3: Cross multiply
   3,760.23x = 5,188.90 × 2,081.57
4. Step 4: Simplify right side
   3,760.23x = 10,801,048.17
5. Step 5: Solve for x
   x = 10,801,048.17/3,760.23
6. Step 6: Final answer
   x = 2,872.44