Finding the Fourth Proportional to 2,150.25, 3,225.75 and 1,109.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.25 : 3,225.75 = 1,109.97 : x
2. Step 2: Convert to fraction form
   2,150.25/3,225.75 = 1,109.97/x
3. Step 3: Cross multiply
   2,150.25x = 3,225.75 × 1,109.97
4. Step 4: Simplify right side
   2,150.25x = 3,580,485.73
5. Step 5: Solve for x
   x = 3,580,485.73/2,150.25
6. Step 6: Final answer
   x = 1,665.15