Finding the Fourth Proportional to 3,846.47, 5,304.61 and 2,519.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.47 : 5,304.61 = 2,519.69 : x
2. Step 2: Convert to fraction form
   3,846.47/5,304.61 = 2,519.69/x
3. Step 3: Cross multiply
   3,846.47x = 5,304.61 × 2,519.69
4. Step 4: Simplify right side
   3,846.47x = 13,365,972.77
5. Step 5: Solve for x
   x = 13,365,972.77/3,846.47
6. Step 6: Final answer
   x = 3,474.87