Finding the Fourth Proportional to 3,820.19, 5,271.89 and 2,227.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.19 : 5,271.89 = 2,227.23 : x
2. Step 2: Convert to fraction form
   3,820.19/5,271.89 = 2,227.23/x
3. Step 3: Cross multiply
   3,820.19x = 5,271.89 × 2,227.23
4. Step 4: Simplify right side
   3,820.19x = 11,741,700.43
5. Step 5: Solve for x
   x = 11,741,700.43/3,820.19
6. Step 6: Final answer
   x = 3,073.59