Finding the Fourth Proportional to 3,085.69, 4,258.24 and 1,669.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085.69 : 4,258.24 = 1,669.38 : x
2. Step 2: Convert to fraction form
   3,085.69/4,258.24 = 1,669.38/x
3. Step 3: Cross multiply
   3,085.69x = 4,258.24 × 1,669.38
4. Step 4: Simplify right side
   3,085.69x = 7,108,610.05
5. Step 5: Solve for x
   x = 7,108,610.05/3,085.69
6. Step 6: Final answer
   x = 2,303.73