Finding the Fourth Proportional to 3,085.82, 4,258.41 and 1,669.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085.82 : 4,258.41 = 1,669.50 : x
2. Step 2: Convert to fraction form
   3,085.82/4,258.41 = 1,669.50/x
3. Step 3: Cross multiply
   3,085.82x = 4,258.41 × 1,669.50
4. Step 4: Simplify right side
   3,085.82x = 7,109,415.50
5. Step 5: Solve for x
   x = 7,109,415.50/3,085.82
6. Step 6: Final answer
   x = 2,303.90