Finding the Fourth Proportional to 16,390.07, 24,562.67 and 12,384.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,390.07 : 24,562.67 = 12,384.16 : x
2. Step 2: Convert to fraction form
   16,390.07/24,562.67 = 12,384.16/x
3. Step 3: Cross multiply
   16,390.07x = 24,562.67 × 12,384.16
4. Step 4: Simplify right side
   16,390.07x = 304,188,035.31
5. Step 5: Solve for x
   x = 304,188,035.31/16,390.07
6. Step 6: Final answer
   x = 18,559.29