Finding the Fourth Proportional to 20,286,662.22, 27,998,598.69 and 12,845,016

Step by Step Solution

1. Step 1: Write the proportion equation
   20,286,662.22 : 27,998,598.69 = 12,845,016 : x
2. Step 2: Convert to fraction form
   20,286,662.22/27,998,598.69 = 12,845,016/x
3. Step 3: Cross multiply
   20,286,662.22x = 27,998,598.69 × 12,845,016
4. Step 4: Simplify right side
   20,286,662.22x = 359,642,448,150,629.06
5. Step 5: Solve for x
   x = 359,642,448,150,629.06/20,286,662.22
6. Step 6: Final answer
   x = 17,728,024.66