Finding the Fourth Proportional to 2,345.28, 3,236.40 and 1,401

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.28 : 3,236.40 = 1,401 : x
2. Step 2: Convert to fraction form
   2,345.28/3,236.40 = 1,401/x
3. Step 3: Cross multiply
   2,345.28x = 3,236.40 × 1,401
4. Step 4: Simplify right side
   2,345.28x = 4,534,196.40
5. Step 5: Solve for x
   x = 4,534,196.40/2,345.28
6. Step 6: Final answer
   x = 1,933.33