Finding the Fourth Proportional to 2,462.69, 3,399.28 and 1,677.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462.69 : 3,399.28 = 1,677.20 : x
2. Step 2: Convert to fraction form
   2,462.69/3,399.28 = 1,677.20/x
3. Step 3: Cross multiply
   2,462.69x = 3,399.28 × 1,677.20
4. Step 4: Simplify right side
   2,462.69x = 5,701,251.23
5. Step 5: Solve for x
   x = 5,701,251.23/2,462.69
6. Step 6: Final answer
   x = 2,315.05