Finding the Fourth Proportional to 2,009.67, 3,025.40 and 1,808.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.67 : 3,025.40 = 1,808.73 : x
2. Step 2: Convert to fraction form
   2,009.67/3,025.40 = 1,808.73/x
3. Step 3: Cross multiply
   2,009.67x = 3,025.40 × 1,808.73
4. Step 4: Simplify right side
   2,009.67x = 5,472,131.74
5. Step 5: Solve for x
   x = 5,472,131.74/2,009.67
6. Step 6: Final answer
   x = 2,722.90