Finding the Fourth Proportional to 3,928.07, 5,890.56 and 1,295.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,928.07 : 5,890.56 = 1,295.46 : x
2. Step 2: Convert to fraction form
   3,928.07/5,890.56 = 1,295.46/x
3. Step 3: Cross multiply
   3,928.07x = 5,890.56 × 1,295.46
4. Step 4: Simplify right side
   3,928.07x = 7,630,984.86
5. Step 5: Solve for x
   x = 7,630,984.86/3,928.07
6. Step 6: Final answer
   x = 1,942.68