Finding the Fourth Proportional to 22,256.74, 30,714.78 and 12,185.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,256.74 : 30,714.78 = 12,185.62 : x
2. Step 2: Convert to fraction form
   22,256.74/30,714.78 = 12,185.62/x
3. Step 3: Cross multiply
   22,256.74x = 30,714.78 × 12,185.62
4. Step 4: Simplify right side
   22,256.74x = 374,278,637.46
5. Step 5: Solve for x
   x = 374,278,637.46/22,256.74
6. Step 6: Final answer
   x = 16,816.42