Finding the Fourth Proportional to 3,816.56, 5,720.05 and 2,061.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,816.56 : 5,720.05 = 2,061.49 : x
2. Step 2: Convert to fraction form
   3,816.56/5,720.05 = 2,061.49/x
3. Step 3: Cross multiply
   3,816.56x = 5,720.05 × 2,061.49
4. Step 4: Simplify right side
   3,816.56x = 11,791,825.87
5. Step 5: Solve for x
   x = 11,791,825.87/3,816.56
6. Step 6: Final answer
   x = 3,089.65