Finding the Fourth Proportional to 21,932,859.99, 30,269,377.82 and 12,143,304.36

Step by Step Solution

1. Step 1: Write the proportion equation
   21,932,859.99 : 30,269,377.82 = 12,143,304.36 : x
2. Step 2: Convert to fraction form
   21,932,859.99/30,269,377.82 = 12,143,304.36/x
3. Step 3: Cross multiply
   21,932,859.99x = 30,269,377.82 × 12,143,304.36
4. Step 4: Simplify right side
   21,932,859.99x = 367,570,267,686,451.56
5. Step 5: Solve for x
   x = 367,570,267,686,451.56/21,932,859.99
6. Step 6: Final answer
   x = 16,758,884.51