Finding the Fourth Proportional to 1,647.94, 2,273.34 and 1,050.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.94 : 2,273.34 = 1,050.28 : x
2. Step 2: Convert to fraction form
   1,647.94/2,273.34 = 1,050.28/x
3. Step 3: Cross multiply
   1,647.94x = 2,273.34 × 1,050.28
4. Step 4: Simplify right side
   1,647.94x = 2,387,643.54
5. Step 5: Solve for x
   x = 2,387,643.54/1,647.94
6. Step 6: Final answer
   x = 1,448.87