Finding the Fourth Proportional to 3,818.56, 5,716.32 and 3,453.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818.56 : 5,716.32 = 3,453.52 : x
2. Step 2: Convert to fraction form
   3,818.56/5,716.32 = 3,453.52/x
3. Step 3: Cross multiply
   3,818.56x = 5,716.32 × 3,453.52
4. Step 4: Simplify right side
   3,818.56x = 19,741,425.45
5. Step 5: Solve for x
   x = 19,741,425.45/3,818.56
6. Step 6: Final answer
   x = 5,169.86