Finding the Fourth Proportional to 3,704.10, 5,111.97 and 2,111.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,704.10 : 5,111.97 = 2,111.23 : x
2. Step 2: Convert to fraction form
   3,704.10/5,111.97 = 2,111.23/x
3. Step 3: Cross multiply
   3,704.10x = 5,111.97 × 2,111.23
4. Step 4: Simplify right side
   3,704.10x = 10,792,533.87
5. Step 5: Solve for x
   x = 10,792,533.87/3,704.10
6. Step 6: Final answer
   x = 2,913.68