Finding the Fourth Proportional to 2,395.78, 3,305.52 and 1,401.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,395.78 : 3,305.52 = 1,401.30 : x
2. Step 2: Convert to fraction form
   2,395.78/3,305.52 = 1,401.30/x
3. Step 3: Cross multiply
   2,395.78x = 3,305.52 × 1,401.30
4. Step 4: Simplify right side
   2,395.78x = 4,632,025.18
5. Step 5: Solve for x
   x = 4,632,025.18/2,395.78
6. Step 6: Final answer
   x = 1,933.41