Finding the Fourth Proportional to 22,395.80, 30,904.74 and 12,322.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,395.80 : 30,904.74 = 12,322.28 : x
2. Step 2: Convert to fraction form
   22,395.80/30,904.74 = 12,322.28/x
3. Step 3: Cross multiply
   22,395.80x = 30,904.74 × 12,322.28
4. Step 4: Simplify right side
   22,395.80x = 380,816,859.61
5. Step 5: Solve for x
   x = 380,816,859.61/22,395.80
6. Step 6: Final answer
   x = 17,003.94