Finding the Fourth Proportional to 2,456.47, 3,386.10 and 1,669.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.47 : 3,386.10 = 1,669.15 : x
2. Step 2: Convert to fraction form
   2,456.47/3,386.10 = 1,669.15/x
3. Step 3: Cross multiply
   2,456.47x = 3,386.10 × 1,669.15
4. Step 4: Simplify right side
   2,456.47x = 5,651,908.82
5. Step 5: Solve for x
   x = 5,651,908.82/2,456.47
6. Step 6: Final answer
   x = 2,300.83