Finding the Fourth Proportional to 6,399.41, 8,825.76 and 4,160.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,399.41 : 8,825.76 = 4,160.16 : x
2. Step 2: Convert to fraction form
   6,399.41/8,825.76 = 4,160.16/x
3. Step 3: Cross multiply
   6,399.41x = 8,825.76 × 4,160.16
4. Step 4: Simplify right side
   6,399.41x = 36,716,573.72
5. Step 5: Solve for x
   x = 36,716,573.72/6,399.41
6. Step 6: Final answer
   x = 5,737.50