Finding the Fourth Proportional to 22,512.98, 31,066.29 and 12,441.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,512.98 : 31,066.29 = 12,441.30 : x
2. Step 2: Convert to fraction form
   22,512.98/31,066.29 = 12,441.30/x
3. Step 3: Cross multiply
   22,512.98x = 31,066.29 × 12,441.30
4. Step 4: Simplify right side
   22,512.98x = 386,505,033.78
5. Step 5: Solve for x
   x = 386,505,033.78/22,512.98
6. Step 6: Final answer
   x = 17,168.10