Finding the Fourth Proportional to 22,406.37, 30,919.67 and 12,334.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,406.37 : 30,919.67 = 12,334.55 : x
2. Step 2: Convert to fraction form
   22,406.37/30,919.67 = 12,334.55/x
3. Step 3: Cross multiply
   22,406.37x = 30,919.67 × 12,334.55
4. Step 4: Simplify right side
   22,406.37x = 381,380,061.00
5. Step 5: Solve for x
   x = 381,380,061.00/22,406.37
6. Step 6: Final answer
   x = 17,021.06