Finding the Fourth Proportional to 475,530,957.77, 712,936,694.59 and 311,809,931.33

Step by Step Solution

1. Step 1: Write the proportion equation
   475,530,957.77 : 712,936,694.59 = 311,809,931.33 : x
2. Step 2: Convert to fraction form
   475,530,957.77/712,936,694.59 = 311,809,931.33/x
3. Step 3: Cross multiply
   475,530,957.77x = 712,936,694.59 × 311,809,931.33
4. Step 4: Simplify right side
   475,530,957.77x = 222,300,741,778,400,864
5. Step 5: Solve for x
   x = 222,300,741,778,400,864/475,530,957.77
6. Step 6: Final answer
   x = 467,479,010.88