Finding the Fourth Proportional to 2,441.72, 3,369.56 and 1,393.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,441.72 : 3,369.56 = 1,393.76 : x
2. Step 2: Convert to fraction form
   2,441.72/3,369.56 = 1,393.76/x
3. Step 3: Cross multiply
   2,441.72x = 3,369.56 × 1,393.76
4. Step 4: Simplify right side
   2,441.72x = 4,696,357.95
5. Step 5: Solve for x
   x = 4,696,357.95/2,441.72
6. Step 6: Final answer
   x = 1,923.38