Finding the Fourth Proportional to 21,697,815, 29,944,384.38 and 12,040,023

Step by Step Solution

1. Step 1: Write the proportion equation
   21,697,815 : 29,944,384.38 = 12,040,023 : x
2. Step 2: Convert to fraction form
   21,697,815/29,944,384.38 = 12,040,023/x
3. Step 3: Cross multiply
   21,697,815x = 29,944,384.38 × 12,040,023
4. Step 4: Simplify right side
   21,697,815x = 360,531,076,656,040.75
5. Step 5: Solve for x
   x = 360,531,076,656,040.75/21,697,815
6. Step 6: Final answer
   x = 16,616,008.42