Finding the Fourth Proportional to 2,425.94, 3,639.35 and 1,604.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.94 : 3,639.35 = 1,604.89 : x
2. Step 2: Convert to fraction form
   2,425.94/3,639.35 = 1,604.89/x
3. Step 3: Cross multiply
   2,425.94x = 3,639.35 × 1,604.89
4. Step 4: Simplify right side
   2,425.94x = 5,840,756.42
5. Step 5: Solve for x
   x = 5,840,756.42/2,425.94
6. Step 6: Final answer
   x = 2,407.63