Finding the Fourth Proportional to 1,647.97, 2,273.54 and 1,050.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.97 : 2,273.54 = 1,050.31 : x
2. Step 2: Convert to fraction form
   1,647.97/2,273.54 = 1,050.31/x
3. Step 3: Cross multiply
   1,647.97x = 2,273.54 × 1,050.31
4. Step 4: Simplify right side
   1,647.97x = 2,387,921.80
5. Step 5: Solve for x
   x = 2,387,921.80/1,647.97
6. Step 6: Final answer
   x = 1,449.01