Finding the Fourth Proportional to 22,576.38, 31,155.12 and 12,505.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,576.38 : 31,155.12 = 12,505.22 : x
2. Step 2: Convert to fraction form
   22,576.38/31,155.12 = 12,505.22/x
3. Step 3: Cross multiply
   22,576.38x = 31,155.12 × 12,505.22
4. Step 4: Simplify right side
   22,576.38x = 389,601,629.73
5. Step 5: Solve for x
   x = 389,601,629.73/22,576.38
6. Step 6: Final answer
   x = 17,257.05