Finding the Fourth Proportional to 22,388.34, 30,896.43 and 12,317.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,388.34 : 30,896.43 = 12,317.34 : x
2. Step 2: Convert to fraction form
   22,388.34/30,896.43 = 12,317.34/x
3. Step 3: Cross multiply
   22,388.34x = 30,896.43 × 12,317.34
4. Step 4: Simplify right side
   22,388.34x = 380,561,833.10
5. Step 5: Solve for x
   x = 380,561,833.10/22,388.34
6. Step 6: Final answer
   x = 16,998.22