Finding the Fourth Proportional to 2,627.10, 3,938.13 and 2,453.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.10 : 3,938.13 = 2,453.58 : x
2. Step 2: Convert to fraction form
   2,627.10/3,938.13 = 2,453.58/x
3. Step 3: Cross multiply
   2,627.10x = 3,938.13 × 2,453.58
4. Step 4: Simplify right side
   2,627.10x = 9,662,517.01
5. Step 5: Solve for x
   x = 9,662,517.01/2,627.10
6. Step 6: Final answer
   x = 3,678.02