Finding the Fourth Proportional to 22,426.94, 30,949.04 and 12,355.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,426.94 : 30,949.04 = 12,355.15 : x
2. Step 2: Convert to fraction form
   22,426.94/30,949.04 = 12,355.15/x
3. Step 3: Cross multiply
   22,426.94x = 30,949.04 × 12,355.15
4. Step 4: Simplify right side
   22,426.94x = 382,379,973.60
5. Step 5: Solve for x
   x = 382,379,973.60/22,426.94
6. Step 6: Final answer
   x = 17,050.03