Finding the Fourth Proportional to 16,145,062.45, 24,193,669.56 and 13,286,740.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,145,062.45 : 24,193,669.56 = 13,286,740.22 : x
2. Step 2: Convert to fraction form
   16,145,062.45/24,193,669.56 = 13,286,740.22/x
3. Step 3: Cross multiply
   16,145,062.45x = 24,193,669.56 × 13,286,740.22
4. Step 4: Simplify right side
   16,145,062.45x = 321,455,002,412,241.69
5. Step 5: Solve for x
   x = 321,455,002,412,241.69/16,145,062.45
6. Step 6: Final answer
   x = 19,910,421.74