Finding the Fourth Proportional to 22,003.26, 30,369.78 and 12,577.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,003.26 : 30,369.78 = 12,577.32 : x
2. Step 2: Convert to fraction form
   22,003.26/30,369.78 = 12,577.32/x
3. Step 3: Cross multiply
   22,003.26x = 30,369.78 × 12,577.32
4. Step 4: Simplify right side
   22,003.26x = 381,970,441.39
5. Step 5: Solve for x
   x = 381,970,441.39/22,003.26
6. Step 6: Final answer
   x = 17,359.72