Finding the Fourth Proportional to 2,571.69, 3,548.94 and 1,392.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.69 : 3,548.94 = 1,392.75 : x
2. Step 2: Convert to fraction form
   2,571.69/3,548.94 = 1,392.75/x
3. Step 3: Cross multiply
   2,571.69x = 3,548.94 × 1,392.75
4. Step 4: Simplify right side
   2,571.69x = 4,942,786.19
5. Step 5: Solve for x
   x = 4,942,786.19/2,571.69
6. Step 6: Final answer
   x = 1,922.00