Finding the Fourth Proportional to 2,441.76, 3,369.72 and 1,393.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,441.76 : 3,369.72 = 1,393.92 : x
2. Step 2: Convert to fraction form
   2,441.76/3,369.72 = 1,393.92/x
3. Step 3: Cross multiply
   2,441.76x = 3,369.72 × 1,393.92
4. Step 4: Simplify right side
   2,441.76x = 4,697,120.10
5. Step 5: Solve for x
   x = 4,697,120.10/2,441.76
6. Step 6: Final answer
   x = 1,923.66