Finding the Fourth Proportional to 3,498.12, 5,270.52 and 3,165

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.12 : 5,270.52 = 3,165 : x
2. Step 2: Convert to fraction form
   3,498.12/5,270.52 = 3,165/x
3. Step 3: Cross multiply
   3,498.12x = 5,270.52 × 3,165
4. Step 4: Simplify right side
   3,498.12x = 16,681,195.80
5. Step 5: Solve for x
   x = 16,681,195.80/3,498.12
6. Step 6: Final answer
   x = 4,768.62