Finding the Fourth Proportional to 39,315,514,669.98, 58,972,916,311.29 and 12,424,086,882.78

Step by Step Solution

1. Step 1: Write the proportion equation
   39,315,514,669.98 : 58,972,916,311.29 = 12,424,086,882.78 : x
2. Step 2: Convert to fraction form
   39,315,514,669.98/58,972,916,311.29 = 12,424,086,882.78/x
3. Step 3: Cross multiply
   39,315,514,669.98x = 58,972,916,311.29 × 12,424,086,882.78
4. Step 4: Simplify right side
   39,315,514,669.98x = 732,684,635,982,380,793,856
5. Step 5: Solve for x
   x = 732,684,635,982,380,793,856/39,315,514,669.98
6. Step 6: Final answer
   x = 18,636,017,921.49