Finding the Fourth Proportional to 13,467,620,877, 20,201,450,758.14 and 5,499,789,112.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,467,620,877 : 20,201,450,758.14 = 5,499,789,112.71 : x
2. Step 2: Convert to fraction form
   13,467,620,877/20,201,450,758.14 = 5,499,789,112.71/x
3. Step 3: Cross multiply
   13,467,620,877x = 20,201,450,758.14 × 5,499,789,112.71
4. Step 4: Simplify right side
   13,467,620,877x = 111,103,718,940,565,536,768
5. Step 5: Solve for x
   x = 111,103,718,940,565,536,768/13,467,620,877
6. Step 6: Final answer
   x = 8,249,691,608.88