Finding the Fourth Proportional to 3,660.45, 5,059.72 and 3,369.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660.45 : 5,059.72 = 3,369.82 : x
2. Step 2: Convert to fraction form
   3,660.45/5,059.72 = 3,369.82/x
3. Step 3: Cross multiply
   3,660.45x = 5,059.72 × 3,369.82
4. Step 4: Simplify right side
   3,660.45x = 17,050,338.39
5. Step 5: Solve for x
   x = 17,050,338.39/3,660.45
6. Step 6: Final answer
   x = 4,657.99