Finding the Fourth Proportional to 3,816.78, 5,727.29 and 2,061.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,816.78 : 5,727.29 = 2,061.74 : x
2. Step 2: Convert to fraction form
   3,816.78/5,727.29 = 2,061.74/x
3. Step 3: Cross multiply
   3,816.78x = 5,727.29 × 2,061.74
4. Step 4: Simplify right side
   3,816.78x = 11,808,143.94
5. Step 5: Solve for x
   x = 11,808,143.94/3,816.78
6. Step 6: Final answer
   x = 3,093.74