Finding the Fourth Proportional to 783,336,389,608.05, 1,175,541,309,992.60 and 273,395,156,568.72

Step by Step Solution

1. Step 1: Write the proportion equation
   783,336,389,608.05 : 1,175,541,309,992.60 = 273,395,156,568.72 : x
2. Step 2: Convert to fraction form
   783,336,389,608.05/1,175,541,309,992.60 = 273,395,156,568.72/x
3. Step 3: Cross multiply
   783,336,389,608.05x = 1,175,541,309,992.60 × 273,395,156,568.72
4. Step 4: Simplify right side
   783,336,389,608.05x = 321,387,300,498,425,126,060,032
5. Step 5: Solve for x
   x = 321,387,300,498,425,126,060,032/783,336,389,608.05
6. Step 6: Final answer
   x = 410,280,059,450.88