Finding the Fourth Proportional to 300,958,928.72, 415,324,792.73 and 168,806,987.89

Step by Step Solution

1. Step 1: Write the proportion equation
   300,958,928.72 : 415,324,792.73 = 168,806,987.89 : x
2. Step 2: Convert to fraction form
   300,958,928.72/415,324,792.73 = 168,806,987.89/x
3. Step 3: Cross multiply
   300,958,928.72x = 415,324,792.73 × 168,806,987.89
4. Step 4: Simplify right side
   300,958,928.72x = 70,109,727,256,789,864
5. Step 5: Solve for x
   x = 70,109,727,256,789,864/300,958,928.72
6. Step 6: Final answer
   x = 232,954,468.42