Finding the Fourth Proportional to 2,448.94, 3,379.74 and 1,401.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.94 : 3,379.74 = 1,401.21 : x
2. Step 2: Convert to fraction form
   2,448.94/3,379.74 = 1,401.21/x
3. Step 3: Cross multiply
   2,448.94x = 3,379.74 × 1,401.21
4. Step 4: Simplify right side
   2,448.94x = 4,735,708.59
5. Step 5: Solve for x
   x = 4,735,708.59/2,448.94
6. Step 6: Final answer
   x = 1,933.78