Finding the Fourth Proportional to 2,628.57, 3,627.35 and 1,433.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.57 : 3,627.35 = 1,433.59 : x
2. Step 2: Convert to fraction form
   2,628.57/3,627.35 = 1,433.59/x
3. Step 3: Cross multiply
   2,628.57x = 3,627.35 × 1,433.59
4. Step 4: Simplify right side
   2,628.57x = 5,200,121.83
5. Step 5: Solve for x
   x = 5,200,121.83/2,628.57
6. Step 6: Final answer
   x = 1,978.31