Finding the Fourth Proportional to 85,298,059,131.30, 117,715,021,769.52 and 47,236,266,128.97

Step by Step Solution

1. Step 1: Write the proportion equation
   85,298,059,131.30 : 117,715,021,769.52 = 47,236,266,128.97 : x
2. Step 2: Convert to fraction form
   85,298,059,131.30/117,715,021,769.52 = 47,236,266,128.97/x
3. Step 3: Cross multiply
   85,298,059,131.30x = 117,715,021,769.52 × 47,236,266,128.97
4. Step 4: Simplify right side
   85,298,059,131.30x = 5,560,418,095,682,544,467,968
5. Step 5: Solve for x
   x = 5,560,418,095,682,544,467,968/85,298,059,131.30
6. Step 6: Final answer
   x = 65,188,096,333.16