Finding the Fourth Proportional to 2,448.38, 3,378.77 and 1,401.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.38 : 3,378.77 = 1,401.05 : x
2. Step 2: Convert to fraction form
   2,448.38/3,378.77 = 1,401.05/x
3. Step 3: Cross multiply
   2,448.38x = 3,378.77 × 1,401.05
4. Step 4: Simplify right side
   2,448.38x = 4,733,801.81
5. Step 5: Solve for x
   x = 4,733,801.81/2,448.38
6. Step 6: Final answer
   x = 1,933.45