Finding the Fourth Proportional to 34,137,062.18, 51,218,493.82 and 20,499,716.12

Step by Step Solution

1. Step 1: Write the proportion equation
   34,137,062.18 : 51,218,493.82 = 20,499,716.12 : x
2. Step 2: Convert to fraction form
   34,137,062.18/51,218,493.82 = 20,499,716.12/x
3. Step 3: Cross multiply
   34,137,062.18x = 51,218,493.82 × 20,499,716.12
4. Step 4: Simplify right side
   34,137,062.18x = 1,049,964,583,403,974.50
5. Step 5: Solve for x
   x = 1,049,964,583,403,974.50/34,137,062.18
6. Step 6: Final answer
   x = 30,757,321.12