Finding the Fourth Proportional to 22,400.82, 30,912.89 and 12,329.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,400.82 : 30,912.89 = 12,329.04 : x
2. Step 2: Convert to fraction form
   22,400.82/30,912.89 = 12,329.04/x
3. Step 3: Cross multiply
   22,400.82x = 30,912.89 × 12,329.04
4. Step 4: Simplify right side
   22,400.82x = 381,126,294.01
5. Step 5: Solve for x
   x = 381,126,294.01/22,400.82
6. Step 6: Final answer
   x = 17,013.95