Finding the Fourth Proportional to 3,571.74, 5,359.59 and 1,928.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,571.74 : 5,359.59 = 1,928.25 : x
2. Step 2: Convert to fraction form
   3,571.74/5,359.59 = 1,928.25/x
3. Step 3: Cross multiply
   3,571.74x = 5,359.59 × 1,928.25
4. Step 4: Simplify right side
   3,571.74x = 10,334,629.42
5. Step 5: Solve for x
   x = 10,334,629.42/3,571.74
6. Step 6: Final answer
   x = 2,893.44