Finding the Fourth Proportional to 150,443.21, 207,603.18 and 82,447.22

Step by Step Solution

1. Step 1: Write the proportion equation
   150,443.21 : 207,603.18 = 82,447.22 : x
2. Step 2: Convert to fraction form
   150,443.21/207,603.18 = 82,447.22/x
3. Step 3: Cross multiply
   150,443.21x = 207,603.18 × 82,447.22
4. Step 4: Simplify right side
   150,443.21x = 17,116,304,016.14
5. Step 5: Solve for x
   x = 17,116,304,016.14/150,443.21
6. Step 6: Final answer
   x = 113,772.53