Finding the Fourth Proportional to 21,755,792.58, 30,023,053.59 and 11,967,239.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,755,792.58 : 30,023,053.59 = 11,967,239.82 : x
2. Step 2: Convert to fraction form
   21,755,792.58/30,023,053.59 = 11,967,239.82/x
3. Step 3: Cross multiply
   21,755,792.58x = 30,023,053.59 × 11,967,239.82
4. Step 4: Simplify right side
   21,755,792.58x = 359,293,082,440,241.94
5. Step 5: Solve for x
   x = 359,293,082,440,241.94/21,755,792.58
6. Step 6: Final answer
   x = 16,514,823.86