Finding the Fourth Proportional to 22,076.47, 30,472.10 and 12,651.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,076.47 : 30,472.10 = 12,651.31 : x
2. Step 2: Convert to fraction form
   22,076.47/30,472.10 = 12,651.31/x
3. Step 3: Cross multiply
   22,076.47x = 30,472.10 × 12,651.31
4. Step 4: Simplify right side
   22,076.47x = 385,511,983.45
5. Step 5: Solve for x
   x = 385,511,983.45/22,076.47
6. Step 6: Final answer
   x = 17,462.57