Finding the Fourth Proportional to 3,783.53, 5,221.31 and 2,082.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,783.53 : 5,221.31 = 2,082.06 : x
2. Step 2: Convert to fraction form
   3,783.53/5,221.31 = 2,082.06/x
3. Step 3: Cross multiply
   3,783.53x = 5,221.31 × 2,082.06
4. Step 4: Simplify right side
   3,783.53x = 10,871,054.59
5. Step 5: Solve for x
   x = 10,871,054.59/3,783.53
6. Step 6: Final answer
   x = 2,873.26