Finding the Fourth Proportional to 6,105.05, 9,156.56 and 1,721.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.05 : 9,156.56 = 1,721.48 : x
2. Step 2: Convert to fraction form
   6,105.05/9,156.56 = 1,721.48/x
3. Step 3: Cross multiply
   6,105.05x = 9,156.56 × 1,721.48
4. Step 4: Simplify right side
   6,105.05x = 15,762,849.19
5. Step 5: Solve for x
   x = 15,762,849.19/6,105.05
6. Step 6: Final answer
   x = 2,581.94