Finding the Fourth Proportional to 4,128.57, 5,696.83 and 2,450.05

Step by Step Solution

1. Step 1: Write the proportion equation
   4,128.57 : 5,696.83 = 2,450.05 : x
2. Step 2: Convert to fraction form
   4,128.57/5,696.83 = 2,450.05/x
3. Step 3: Cross multiply
   4,128.57x = 5,696.83 × 2,450.05
4. Step 4: Simplify right side
   4,128.57x = 13,957,507.16
5. Step 5: Solve for x
   x = 13,957,507.16/4,128.57
6. Step 6: Final answer
   x = 3,380.71