Finding the Fourth Proportional to 3,960.77, 5,947.30 and 3,785.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.77 : 5,947.30 = 3,785.48 : x
2. Step 2: Convert to fraction form
   3,960.77/5,947.30 = 3,785.48/x
3. Step 3: Cross multiply
   3,960.77x = 5,947.30 × 3,785.48
4. Step 4: Simplify right side
   3,960.77x = 22,513,355.47
5. Step 5: Solve for x
   x = 22,513,355.47/3,960.77
6. Step 6: Final answer
   x = 5,684.09