Finding the Fourth Proportional to 12,493.05, 18,727.59 and 4,167.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,493.05 : 18,727.59 = 4,167.27 : x
2. Step 2: Convert to fraction form
   12,493.05/18,727.59 = 4,167.27/x
3. Step 3: Cross multiply
   12,493.05x = 18,727.59 × 4,167.27
4. Step 4: Simplify right side
   12,493.05x = 78,042,923.98
5. Step 5: Solve for x
   x = 78,042,923.98/12,493.05
6. Step 6: Final answer
   x = 6,246.91