Finding the Fourth Proportional to 2,628.72, 3,627.62 and 1,433.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.72 : 3,627.62 = 1,433.77 : x
2. Step 2: Convert to fraction form
   2,628.72/3,627.62 = 1,433.77/x
3. Step 3: Cross multiply
   2,628.72x = 3,627.62 × 1,433.77
4. Step 4: Simplify right side
   2,628.72x = 5,201,172.73
5. Step 5: Solve for x
   x = 5,201,172.73/2,628.72
6. Step 6: Final answer
   x = 1,978.60