Finding the Fourth Proportional to 21,723,196.24, 29,974,681.62 and 12,554,069.68

Step by Step Solution

1. Step 1: Write the proportion equation
   21,723,196.24 : 29,974,681.62 = 12,554,069.68 : x
2. Step 2: Convert to fraction form
   21,723,196.24/29,974,681.62 = 12,554,069.68/x
3. Step 3: Cross multiply
   21,723,196.24x = 29,974,681.62 × 12,554,069.68
4. Step 4: Simplify right side
   21,723,196.24x = 376,304,241,693,295.31
5. Step 5: Solve for x
   x = 376,304,241,693,295.31/21,723,196.24
6. Step 6: Final answer
   x = 17,322,692.18