Finding the Fourth Proportional to 3,912.69, 5,838.70 and 3,497.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.69 : 5,838.70 = 3,497.25 : x
2. Step 2: Convert to fraction form
   3,912.69/5,838.70 = 3,497.25/x
3. Step 3: Cross multiply
   3,912.69x = 5,838.70 × 3,497.25
4. Step 4: Simplify right side
   3,912.69x = 20,419,384.83
5. Step 5: Solve for x
   x = 20,419,384.83/3,912.69
6. Step 6: Final answer
   x = 5,218.76