Finding the Fourth Proportional to 16,443,049.05, 24,629,144.18 and 13,608,697.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443,049.05 : 24,629,144.18 = 13,608,697.05 : x
2. Step 2: Convert to fraction form
   16,443,049.05/24,629,144.18 = 13,608,697.05/x
3. Step 3: Cross multiply
   16,443,049.05x = 24,629,144.18 × 13,608,697.05
4. Step 4: Simplify right side
   16,443,049.05x = 335,170,561,678,347.19
5. Step 5: Solve for x
   x = 335,170,561,678,347.19/16,443,049.05
6. Step 6: Final answer
   x = 20,383,723.28