Finding the Fourth Proportional to 19,978,910.34, 27,570,896.33 and 10,811,553.09

Step by Step Solution

1. Step 1: Write the proportion equation
   19,978,910.34 : 27,570,896.33 = 10,811,553.09 : x
2. Step 2: Convert to fraction form
   19,978,910.34/27,570,896.33 = 10,811,553.09/x
3. Step 3: Cross multiply
   19,978,910.34x = 27,570,896.33 × 10,811,553.09
4. Step 4: Simplify right side
   19,978,910.34x = 298,084,209,356,623.38
5. Step 5: Solve for x
   x = 298,084,209,356,623.38/19,978,910.34
6. Step 6: Final answer
   x = 14,919,943.29