Finding the Fourth Proportional to 3,707.72, 5,563.90 and 1,928.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,707.72 : 5,563.90 = 1,928.96 : x
2. Step 2: Convert to fraction form
   3,707.72/5,563.90 = 1,928.96/x
3. Step 3: Cross multiply
   3,707.72x = 5,563.90 × 1,928.96
4. Step 4: Simplify right side
   3,707.72x = 10,732,540.54
5. Step 5: Solve for x
   x = 10,732,540.54/3,707.72
6. Step 6: Final answer
   x = 2,894.65