Finding the Fourth Proportional to 22,317.43, 30,796.09 and 12,755.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,317.43 : 30,796.09 = 12,755.42 : x
2. Step 2: Convert to fraction form
   22,317.43/30,796.09 = 12,755.42/x
3. Step 3: Cross multiply
   22,317.43x = 30,796.09 × 12,755.42
4. Step 4: Simplify right side
   22,317.43x = 392,817,033.05
5. Step 5: Solve for x
   x = 392,817,033.05/22,317.43
6. Step 6: Final answer
   x = 17,601.36