Finding the Fourth Proportional to 1,433.24, 1,964.99 and 1,407.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.24 : 1,964.99 = 1,407.32 : x
2. Step 2: Convert to fraction form
   1,433.24/1,964.99 = 1,407.32/x
3. Step 3: Cross multiply
   1,433.24x = 1,964.99 × 1,407.32
4. Step 4: Simplify right side
   1,433.24x = 2,765,369.73
5. Step 5: Solve for x
   x = 2,765,369.73/1,433.24
6. Step 6: Final answer
   x = 1,929.45