Finding the Fourth Proportional to 22,667.22, 31,282.74 and 13,238.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,667.22 : 31,282.74 = 13,238.82 : x
2. Step 2: Convert to fraction form
   22,667.22/31,282.74 = 13,238.82/x
3. Step 3: Cross multiply
   22,667.22x = 31,282.74 × 13,238.82
4. Step 4: Simplify right side
   22,667.22x = 414,146,563.97
5. Step 5: Solve for x
   x = 414,146,563.97/22,667.22
6. Step 6: Final answer
   x = 18,270.73