Finding the Fourth Proportional to 22,697.15, 31,323.78 and 12,626.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,697.15 : 31,323.78 = 12,626.42 : x
2. Step 2: Convert to fraction form
   22,697.15/31,323.78 = 12,626.42/x
3. Step 3: Cross multiply
   22,697.15x = 31,323.78 × 12,626.42
4. Step 4: Simplify right side
   22,697.15x = 395,507,045.65
5. Step 5: Solve for x
   x = 395,507,045.65/22,697.15
6. Step 6: Final answer
   x = 17,425.41