Finding the Fourth Proportional to 3,601.35, 4,970.25 and 2,185.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.35 : 4,970.25 = 2,185.09 : x
2. Step 2: Convert to fraction form
   3,601.35/4,970.25 = 2,185.09/x
3. Step 3: Cross multiply
   3,601.35x = 4,970.25 × 2,185.09
4. Step 4: Simplify right side
   3,601.35x = 10,860,443.57
5. Step 5: Solve for x
   x = 10,860,443.57/3,601.35
6. Step 6: Final answer
   x = 3,015.66