Finding the Fourth Proportional to 4,128.59, 5,696.56 and 2,450.55

Step by Step Solution

1. Step 1: Write the proportion equation
   4,128.59 : 5,696.56 = 2,450.55 : x
2. Step 2: Convert to fraction form
   4,128.59/5,696.56 = 2,450.55/x
3. Step 3: Cross multiply
   4,128.59x = 5,696.56 × 2,450.55
4. Step 4: Simplify right side
   4,128.59x = 13,959,729.53
5. Step 5: Solve for x
   x = 13,959,729.53/4,128.59
6. Step 6: Final answer
   x = 3,381.23