Finding the Fourth Proportional to 22,648.96, 31,253.23 and 12,576.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,648.96 : 31,253.23 = 12,576.30 : x
2. Step 2: Convert to fraction form
   22,648.96/31,253.23 = 12,576.30/x
3. Step 3: Cross multiply
   22,648.96x = 31,253.23 × 12,576.30
4. Step 4: Simplify right side
   22,648.96x = 393,049,996.45
5. Step 5: Solve for x
   x = 393,049,996.45/22,648.96
6. Step 6: Final answer
   x = 17,354.00