Finding the Fourth Proportional to 12,818.36, 19,227.83 and 3,933.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,818.36 : 19,227.83 = 3,933.87 : x
2. Step 2: Convert to fraction form
   12,818.36/19,227.83 = 3,933.87/x
3. Step 3: Cross multiply
   12,818.36x = 19,227.83 × 3,933.87
4. Step 4: Simplify right side
   12,818.36x = 75,639,763.93
5. Step 5: Solve for x
   x = 75,639,763.93/12,818.36
6. Step 6: Final answer
   x = 5,900.89