Finding the Fourth Proportional to 3,642.66, 5,028.77 and 2,453.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.66 : 5,028.77 = 2,453.89 : x
2. Step 2: Convert to fraction form
   3,642.66/5,028.77 = 2,453.89/x
3. Step 3: Cross multiply
   3,642.66x = 5,028.77 × 2,453.89
4. Step 4: Simplify right side
   3,642.66x = 12,340,048.42
5. Step 5: Solve for x
   x = 12,340,048.42/3,642.66
6. Step 6: Final answer
   x = 3,387.65