Finding the Fourth Proportional to 16,090.05, 24,144.27 and 12,570.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,090.05 : 24,144.27 = 12,570.18 : x
2. Step 2: Convert to fraction form
   16,090.05/24,144.27 = 12,570.18/x
3. Step 3: Cross multiply
   16,090.05x = 24,144.27 × 12,570.18
4. Step 4: Simplify right side
   16,090.05x = 303,497,819.87
5. Step 5: Solve for x
   x = 303,497,819.87/16,090.05
6. Step 6: Final answer
   x = 18,862.45