Finding the Fourth Proportional to 22,399.62, 30,910.54 and 12,327.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,399.62 : 30,910.54 = 12,327.12 : x
2. Step 2: Convert to fraction form
   22,399.62/30,910.54 = 12,327.12/x
3. Step 3: Cross multiply
   22,399.62x = 30,910.54 × 12,327.12
4. Step 4: Simplify right side
   22,399.62x = 381,037,935.84
5. Step 5: Solve for x
   x = 381,037,935.84/22,399.62
6. Step 6: Final answer
   x = 17,010.91