Finding the Fourth Proportional to 300,958,932.72, 415,324,798.25 and 168,806,991.89

Step by Step Solution

1. Step 1: Write the proportion equation
   300,958,932.72 : 415,324,798.25 = 168,806,991.89 : x
2. Step 2: Convert to fraction form
   300,958,932.72/415,324,798.25 = 168,806,991.89/x
3. Step 3: Cross multiply
   300,958,932.72x = 415,324,798.25 × 168,806,991.89
4. Step 4: Simplify right side
   300,958,932.72x = 70,109,729,846,982,976
5. Step 5: Solve for x
   x = 70,109,729,846,982,976/300,958,932.72
6. Step 6: Final answer
   x = 232,954,473.93