Finding the Fourth Proportional to 3,704.56, 5,111.90 and 2,212.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,704.56 : 5,111.90 = 2,212.28 : x
2. Step 2: Convert to fraction form
   3,704.56/5,111.90 = 2,212.28/x
3. Step 3: Cross multiply
   3,704.56x = 5,111.90 × 2,212.28
4. Step 4: Simplify right side
   3,704.56x = 11,308,934.10
5. Step 5: Solve for x
   x = 11,308,934.10/3,704.56
6. Step 6: Final answer
   x = 3,052.71