Finding the Fourth Proportional to 22,610.25, 31,202.15 and 12,674.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,610.25 : 31,202.15 = 12,674.25 : x
2. Step 2: Convert to fraction form
   22,610.25/31,202.15 = 12,674.25/x
3. Step 3: Cross multiply
   22,610.25x = 31,202.15 × 12,674.25
4. Step 4: Simplify right side
   22,610.25x = 395,463,786.27
5. Step 5: Solve for x
   x = 395,463,786.27/22,610.25
6. Step 6: Final answer
   x = 17,490.47