Finding the Fourth Proportional to 22,286.82, 30,751.91 and 12,722.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,286.82 : 30,751.91 = 12,722.34 : x
2. Step 2: Convert to fraction form
   22,286.82/30,751.91 = 12,722.34/x
3. Step 3: Cross multiply
   22,286.82x = 30,751.91 × 12,722.34
4. Step 4: Simplify right side
   22,286.82x = 391,236,191.06
5. Step 5: Solve for x
   x = 391,236,191.06/22,286.82
6. Step 6: Final answer
   x = 17,554.60