Finding the Fourth Proportional to 23,678,681, 32,676,579.78 and 12,813,665

Step by Step Solution

1. Step 1: Write the proportion equation
   23,678,681 : 32,676,579.78 = 12,813,665 : x
2. Step 2: Convert to fraction form
   23,678,681/32,676,579.78 = 12,813,665/x
3. Step 3: Cross multiply
   23,678,681x = 32,676,579.78 × 12,813,665
4. Step 4: Simplify right side
   23,678,681x = 418,706,746,646,693.69
5. Step 5: Solve for x
   x = 418,706,746,646,693.69/23,678,681
6. Step 6: Final answer
   x = 17,682,857.70