Finding the Fourth Proportional to 22,576.89, 31,156.37 and 12,505.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,576.89 : 31,156.37 = 12,505.49 : x
2. Step 2: Convert to fraction form
   22,576.89/31,156.37 = 12,505.49/x
3. Step 3: Cross multiply
   22,576.89x = 31,156.37 × 12,505.49
4. Step 4: Simplify right side
   22,576.89x = 389,625,455.16
5. Step 5: Solve for x
   x = 389,625,455.16/22,576.89
6. Step 6: Final answer
   x = 17,257.71