Finding the Fourth Proportional to 2,571.75, 3,549.02 and 1,392.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.75 : 3,549.02 = 1,392.82 : x
2. Step 2: Convert to fraction form
   2,571.75/3,549.02 = 1,392.82/x
3. Step 3: Cross multiply
   2,571.75x = 3,549.02 × 1,392.82
4. Step 4: Simplify right side
   2,571.75x = 4,943,140.18
5. Step 5: Solve for x
   x = 4,943,140.18/2,571.75
6. Step 6: Final answer
   x = 1,922.09