Finding the Fourth Proportional to 1,628.48, 2,248.59 and 1,504.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628.48 : 2,248.59 = 1,504.09 : x
2. Step 2: Convert to fraction form
   1,628.48/2,248.59 = 1,504.09/x
3. Step 3: Cross multiply
   1,628.48x = 2,248.59 × 1,504.09
4. Step 4: Simplify right side
   1,628.48x = 3,382,081.73
5. Step 5: Solve for x
   x = 3,382,081.73/1,628.48
6. Step 6: Final answer
   x = 2,076.83