Finding the Fourth Proportional to 22,297.89, 30,770.55 and 12,606.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,297.89 : 30,770.55 = 12,606.51 : x
2. Step 2: Convert to fraction form
   22,297.89/30,770.55 = 12,606.51/x
3. Step 3: Cross multiply
   22,297.89x = 30,770.55 × 12,606.51
4. Step 4: Simplify right side
   22,297.89x = 387,909,246.28
5. Step 5: Solve for x
   x = 387,909,246.28/22,297.89
6. Step 6: Final answer
   x = 17,396.68