Finding the Fourth Proportional to 12,723.33, 19,078.92 and 3,958.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,723.33 : 19,078.92 = 3,958.32 : x
2. Step 2: Convert to fraction form
   12,723.33/19,078.92 = 3,958.32/x
3. Step 3: Cross multiply
   12,723.33x = 19,078.92 × 3,958.32
4. Step 4: Simplify right side
   12,723.33x = 75,520,470.61
5. Step 5: Solve for x
   x = 75,520,470.61/12,723.33
6. Step 6: Final answer
   x = 5,935.59