Finding the Fourth Proportional to 12,711.84, 19,067.52 and 3,946.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,711.84 : 19,067.52 = 3,946.56 : x
2. Step 2: Convert to fraction form
   12,711.84/19,067.52 = 3,946.56/x
3. Step 3: Cross multiply
   12,711.84x = 19,067.52 × 3,946.56
4. Step 4: Simplify right side
   12,711.84x = 75,251,111.73
5. Step 5: Solve for x
   x = 75,251,111.73/12,711.84
6. Step 6: Final answer
   x = 5,919.77