Finding the Fourth Proportional to 2,066.09, 3,096.36 and 1,721.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.09 : 3,096.36 = 1,721.61 : x
2. Step 2: Convert to fraction form
   2,066.09/3,096.36 = 1,721.61/x
3. Step 3: Cross multiply
   2,066.09x = 3,096.36 × 1,721.61
4. Step 4: Simplify right side
   2,066.09x = 5,330,724.34
5. Step 5: Solve for x
   x = 5,330,724.34/2,066.09
6. Step 6: Final answer
   x = 2,580.11