Finding the Fourth Proportional to 22,789.98, 31,450.18 and 12,581.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,789.98 : 31,450.18 = 12,581.02 : x
2. Step 2: Convert to fraction form
   22,789.98/31,450.18 = 12,581.02/x
3. Step 3: Cross multiply
   22,789.98x = 31,450.18 × 12,581.02
4. Step 4: Simplify right side
   22,789.98x = 395,675,343.58
5. Step 5: Solve for x
   x = 395,675,343.58/22,789.98
6. Step 6: Final answer
   x = 17,361.81