Finding the Fourth Proportional to 1,436.24, 2,157.24 and 1,401.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.24 : 2,157.24 = 1,401.68 : x
2. Step 2: Convert to fraction form
   1,436.24/2,157.24 = 1,401.68/x
3. Step 3: Cross multiply
   1,436.24x = 2,157.24 × 1,401.68
4. Step 4: Simplify right side
   1,436.24x = 3,023,760.16
5. Step 5: Solve for x
   x = 3,023,760.16/1,436.24
6. Step 6: Final answer
   x = 2,105.33