Finding the Fourth Proportional to 3,945.46, 5,914.20 and 2,559.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.46 : 5,914.20 = 2,559.67 : x
2. Step 2: Convert to fraction form
   3,945.46/5,914.20 = 2,559.67/x
3. Step 3: Cross multiply
   3,945.46x = 5,914.20 × 2,559.67
4. Step 4: Simplify right side
   3,945.46x = 15,138,400.31
5. Step 5: Solve for x
   x = 15,138,400.31/3,945.46
6. Step 6: Final answer
   x = 3,836.92