Finding the Fourth Proportional to 2,256.39, 3,118.07 and 1,628.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.39 : 3,118.07 = 1,628.84 : x
2. Step 2: Convert to fraction form
   2,256.39/3,118.07 = 1,628.84/x
3. Step 3: Cross multiply
   2,256.39x = 3,118.07 × 1,628.84
4. Step 4: Simplify right side
   2,256.39x = 5,078,849.01
5. Step 5: Solve for x
   x = 5,078,849.01/2,256.39
6. Step 6: Final answer
   x = 2,250.87