Finding the Fourth Proportional to 3,760.72, 5,190.28 and 2,105.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.72 : 5,190.28 = 2,105.04 : x
2. Step 2: Convert to fraction form
   3,760.72/5,190.28 = 2,105.04/x
3. Step 3: Cross multiply
   3,760.72x = 5,190.28 × 2,105.04
4. Step 4: Simplify right side
   3,760.72x = 10,925,747.01
5. Step 5: Solve for x
   x = 10,925,747.01/3,760.72
6. Step 6: Final answer
   x = 2,905.23