Finding the Fourth Proportional to 53,871,404.38, 80,807,107.25 and 12,930,843.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,871,404.38 : 80,807,107.25 = 12,930,843.42 : x
2. Step 2: Convert to fraction form
   53,871,404.38/80,807,107.25 = 12,930,843.42/x
3. Step 3: Cross multiply
   53,871,404.38x = 80,807,107.25 × 12,930,843.42
4. Step 4: Simplify right side
   53,871,404.38x = 1,044,904,051,105,223.88
5. Step 5: Solve for x
   x = 1,044,904,051,105,223.88/53,871,404.38
6. Step 6: Final answer
   x = 19,396,265.29