Finding the Fourth Proportional to 31,834.69, 43,919.21 and 22,272.03

Step by Step Solution

1. Step 1: Write the proportion equation
   31,834.69 : 43,919.21 = 22,272.03 : x
2. Step 2: Convert to fraction form
   31,834.69/43,919.21 = 22,272.03/x
3. Step 3: Cross multiply
   31,834.69x = 43,919.21 × 22,272.03
4. Step 4: Simplify right side
   31,834.69x = 978,170,018.38
5. Step 5: Solve for x
   x = 978,170,018.38/31,834.69
6. Step 6: Final answer
   x = 30,726.55