Finding the Fourth Proportional to 22,256.97, 30,715.10 and 12,185.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,256.97 : 30,715.10 = 12,185.83 : x
2. Step 2: Convert to fraction form
   22,256.97/30,715.10 = 12,185.83/x
3. Step 3: Cross multiply
   22,256.97x = 30,715.10 × 12,185.83
4. Step 4: Simplify right side
   22,256.97x = 374,288,987.03
5. Step 5: Solve for x
   x = 374,288,987.03/22,256.97
6. Step 6: Final answer
   x = 16,816.71