Finding the Fourth Proportional to 20,922,615.02, 31,384,245.49 and 7,969,488.01

Step by Step Solution

1. Step 1: Write the proportion equation
   20,922,615.02 : 31,384,245.49 = 7,969,488.01 : x
2. Step 2: Convert to fraction form
   20,922,615.02/31,384,245.49 = 7,969,488.01/x
3. Step 3: Cross multiply
   20,922,615.02x = 31,384,245.49 × 7,969,488.01
4. Step 4: Simplify right side
   20,922,615.02x = 250,116,368,037,067.25
5. Step 5: Solve for x
   x = 250,116,368,037,067.25/20,922,615.02
6. Step 6: Final answer
   x = 11,954,355.03