Finding the Fourth Proportional to 3,965.52, 5,945.32 and 2,405.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,965.52 : 5,945.32 = 2,405.86 : x
2. Step 2: Convert to fraction form
   3,965.52/5,945.32 = 2,405.86/x
3. Step 3: Cross multiply
   3,965.52x = 5,945.32 × 2,405.86
4. Step 4: Simplify right side
   3,965.52x = 14,303,607.58
5. Step 5: Solve for x
   x = 14,303,607.58/3,965.52
6. Step 6: Final answer
   x = 3,606.99