Finding the Fourth Proportional to 22,434.72, 30,958.48 and 12,361.44

Step by Step Solution

1. Step 1: Write the proportion equation
   22,434.72 : 30,958.48 = 12,361.44 : x
2. Step 2: Convert to fraction form
   22,434.72/30,958.48 = 12,361.44/x
3. Step 3: Cross multiply
   22,434.72x = 30,958.48 × 12,361.44
4. Step 4: Simplify right side
   22,434.72x = 382,691,393.01
5. Step 5: Solve for x
   x = 382,691,393.01/22,434.72
6. Step 6: Final answer
   x = 17,058.00