Finding the Fourth Proportional to 269,598,087.07, 404,408,669.78 and 105,871,270.18

Step by Step Solution

1. Step 1: Write the proportion equation
   269,598,087.07 : 404,408,669.78 = 105,871,270.18 : x
2. Step 2: Convert to fraction form
   269,598,087.07/404,408,669.78 = 105,871,270.18/x
3. Step 3: Cross multiply
   269,598,087.07x = 404,408,669.78 × 105,871,270.18
4. Step 4: Simplify right side
   269,598,087.07x = 42,815,259,541,412,784
5. Step 5: Solve for x
   x = 42,815,259,541,412,784/269,598,087.07
6. Step 6: Final answer
   x = 158,811,436.71