Finding the Fourth Proportional to 1,628.20, 2,441.36 and 1,433.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628.20 : 2,441.36 = 1,433.59 : x
2. Step 2: Convert to fraction form
   1,628.20/2,441.36 = 1,433.59/x
3. Step 3: Cross multiply
   1,628.20x = 2,441.36 × 1,433.59
4. Step 4: Simplify right side
   1,628.20x = 3,499,896.01
5. Step 5: Solve for x
   x = 3,499,896.01/1,628.20
6. Step 6: Final answer
   x = 2,149.55