Finding the Fourth Proportional to 22,667.22, 31,270.68 and 15,106.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,667.22 : 31,270.68 = 15,106.17 : x
2. Step 2: Convert to fraction form
   22,667.22/31,270.68 = 15,106.17/x
3. Step 3: Cross multiply
   22,667.22x = 31,270.68 × 15,106.17
4. Step 4: Simplify right side
   22,667.22x = 472,380,208.10
5. Step 5: Solve for x
   x = 472,380,208.10/22,667.22
6. Step 6: Final answer
   x = 20,839.79