Finding the Fourth Proportional to 3,436.75, 5,147.83 and 3,245.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.75 : 5,147.83 = 3,245.05 : x
2. Step 2: Convert to fraction form
   3,436.75/5,147.83 = 3,245.05/x
3. Step 3: Cross multiply
   3,436.75x = 5,147.83 × 3,245.05
4. Step 4: Simplify right side
   3,436.75x = 16,704,965.74
5. Step 5: Solve for x
   x = 16,704,965.74/3,436.75
6. Step 6: Final answer
   x = 4,860.69