Finding the Fourth Proportional to 2,628.84, 3,627.72 and 1,433.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.84 : 3,627.72 = 1,433.79 : x
2. Step 2: Convert to fraction form
   2,628.84/3,627.72 = 1,433.79/x
3. Step 3: Cross multiply
   2,628.84x = 3,627.72 × 1,433.79
4. Step 4: Simplify right side
   2,628.84x = 5,201,388.66
5. Step 5: Solve for x
   x = 5,201,388.66/2,628.84
6. Step 6: Final answer
   x = 1,978.59