Finding the Fourth Proportional to 3,960.60, 5,928.42 and 3,543.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.60 : 5,928.42 = 3,543.16 : x
2. Step 2: Convert to fraction form
   3,960.60/5,928.42 = 3,543.16/x
3. Step 3: Cross multiply
   3,960.60x = 5,928.42 × 3,543.16
4. Step 4: Simplify right side
   3,960.60x = 21,005,340.61
5. Step 5: Solve for x
   x = 21,005,340.61/3,960.60
6. Step 6: Final answer
   x = 5,303.58