Finding the Fourth Proportional to 2,150.10, 3,227.55 and 2,009.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.10 : 3,227.55 = 2,009.10 : x
2. Step 2: Convert to fraction form
   2,150.10/3,227.55 = 2,009.10/x
3. Step 3: Cross multiply
   2,150.10x = 3,227.55 × 2,009.10
4. Step 4: Simplify right side
   2,150.10x = 6,484,470.71
5. Step 5: Solve for x
   x = 6,484,470.71/2,150.10
6. Step 6: Final answer
   x = 3,015.89