Finding the Fourth Proportional to 3,945.27, 5,908.17 and 3,060.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.27 : 5,908.17 = 3,060.40 : x
2. Step 2: Convert to fraction form
   3,945.27/5,908.17 = 3,060.40/x
3. Step 3: Cross multiply
   3,945.27x = 5,908.17 × 3,060.40
4. Step 4: Simplify right side
   3,945.27x = 18,081,363.47
5. Step 5: Solve for x
   x = 18,081,363.47/3,945.27
6. Step 6: Final answer
   x = 4,583.05