Finding the Fourth Proportional to 22,426.43, 30,948.93 and 12,355.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,426.43 : 30,948.93 = 12,355.29 : x
2. Step 2: Convert to fraction form
   22,426.43/30,948.93 = 12,355.29/x
3. Step 3: Cross multiply
   22,426.43x = 30,948.93 × 12,355.29
4. Step 4: Simplify right side
   22,426.43x = 382,383,005.34
5. Step 5: Solve for x
   x = 382,383,005.34/22,426.43
6. Step 6: Final answer
   x = 17,050.56