Finding the Fourth Proportional to 1,433.99, 1,966.02 and 1,408.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.99 : 1,966.02 = 1,408.07 : x
2. Step 2: Convert to fraction form
   1,433.99/1,966.02 = 1,408.07/x
3. Step 3: Cross multiply
   1,433.99x = 1,966.02 × 1,408.07
4. Step 4: Simplify right side
   1,433.99x = 2,768,293.78
5. Step 5: Solve for x
   x = 2,768,293.78/1,433.99
6. Step 6: Final answer
   x = 1,930.48