Finding the Fourth Proportional to 3,348.33, 5,023.10 and 2,185.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,348.33 : 5,023.10 = 2,185.57 : x
2. Step 2: Convert to fraction form
   3,348.33/5,023.10 = 2,185.57/x
3. Step 3: Cross multiply
   3,348.33x = 5,023.10 × 2,185.57
4. Step 4: Simplify right side
   3,348.33x = 10,978,336.67
5. Step 5: Solve for x
   x = 10,978,336.67/3,348.33
6. Step 6: Final answer
   x = 3,278.75