Finding the Fourth Proportional to 22,076.22, 30,465.42 and 12,644.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,076.22 : 30,465.42 = 12,644.58 : x
2. Step 2: Convert to fraction form
   22,076.22/30,465.42 = 12,644.58/x
3. Step 3: Cross multiply
   22,076.22x = 30,465.42 × 12,644.58
4. Step 4: Simplify right side
   22,076.22x = 385,222,440.42
5. Step 5: Solve for x
   x = 385,222,440.42/22,076.22
6. Step 6: Final answer
   x = 17,449.66