Finding the Fourth Proportional to 12,384.67, 18,583.38 and 8,227.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.67 : 18,583.38 = 8,227.54 : x
2. Step 2: Convert to fraction form
   12,384.67/18,583.38 = 8,227.54/x
3. Step 3: Cross multiply
   12,384.67x = 18,583.38 × 8,227.54
4. Step 4: Simplify right side
   12,384.67x = 152,895,502.29
5. Step 5: Solve for x
   x = 152,895,502.29/12,384.67
6. Step 6: Final answer
   x = 12,345.55