Finding the Fourth Proportional to 20,419.98, 30,622.41 and 7,268.82

Step by Step Solution

1. Step 1: Write the proportion equation
   20,419.98 : 30,622.41 = 7,268.82 : x
2. Step 2: Convert to fraction form
   20,419.98/30,622.41 = 7,268.82/x
3. Step 3: Cross multiply
   20,419.98x = 30,622.41 × 7,268.82
4. Step 4: Simplify right side
   20,419.98x = 222,588,786.26
5. Step 5: Solve for x
   x = 222,588,786.26/20,419.98
6. Step 6: Final answer
   x = 10,900.54