Finding the Fourth Proportional to 3,956.56, 5,934.72 and 1,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,956.56 : 5,934.72 = 1,648 : x
2. Step 2: Convert to fraction form
   3,956.56/5,934.72 = 1,648/x
3. Step 3: Cross multiply
   3,956.56x = 5,934.72 × 1,648
4. Step 4: Simplify right side
   3,956.56x = 9,780,418.56
5. Step 5: Solve for x
   x = 9,780,418.56/3,956.56
6. Step 6: Final answer
   x = 2,471.95