Finding the Fourth Proportional to 22,404.56, 30,920.20 and 12,334.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,404.56 : 30,920.20 = 12,334.96 : x
2. Step 2: Convert to fraction form
   22,404.56/30,920.20 = 12,334.96/x
3. Step 3: Cross multiply
   22,404.56x = 30,920.20 × 12,334.96
4. Step 4: Simplify right side
   22,404.56x = 381,399,430.19
5. Step 5: Solve for x
   x = 381,399,430.19/22,404.56
6. Step 6: Final answer
   x = 17,023.29