Finding the Fourth Proportional to 22,223.25, 30,667.68 and 13,272.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,223.25 : 30,667.68 = 13,272.75 : x
2. Step 2: Convert to fraction form
   22,223.25/30,667.68 = 13,272.75/x
3. Step 3: Cross multiply
   22,223.25x = 30,667.68 × 13,272.75
4. Step 4: Simplify right side
   22,223.25x = 407,044,449.72
5. Step 5: Solve for x
   x = 407,044,449.72/22,223.25
6. Step 6: Final answer
   x = 18,316.15