Finding the Fourth Proportional to 22,355.34, 30,854.13 and 12,929.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,355.34 : 30,854.13 = 12,929.34 : x
2. Step 2: Convert to fraction form
   22,355.34/30,854.13 = 12,929.34/x
3. Step 3: Cross multiply
   22,355.34x = 30,854.13 × 12,929.34
4. Step 4: Simplify right side
   22,355.34x = 398,923,537.17
5. Step 5: Solve for x
   x = 398,923,537.17/22,355.34
6. Step 6: Final answer
   x = 17,844.66