Finding the Fourth Proportional to 16,105.42, 24,130.59 and 12,594.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,105.42 : 24,130.59 = 12,594.07 : x
2. Step 2: Convert to fraction form
   16,105.42/24,130.59 = 12,594.07/x
3. Step 3: Cross multiply
   16,105.42x = 24,130.59 × 12,594.07
4. Step 4: Simplify right side
   16,105.42x = 303,902,339.60
5. Step 5: Solve for x
   x = 303,902,339.60/16,105.42
6. Step 6: Final answer
   x = 18,869.57