Finding the Fourth Proportional to 21,714.42, 32,544.81 and 12,362.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,714.42 : 32,544.81 = 12,362.16 : x
2. Step 2: Convert to fraction form
   21,714.42/32,544.81 = 12,362.16/x
3. Step 3: Cross multiply
   21,714.42x = 32,544.81 × 12,362.16
4. Step 4: Simplify right side
   21,714.42x = 402,324,148.39
5. Step 5: Solve for x
   x = 402,324,148.39/21,714.42
6. Step 6: Final answer
   x = 18,527.97