Finding the Fourth Proportional to 22,157.82, 30,576.59 and 12,726.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,157.82 : 30,576.59 = 12,726.38 : x
2. Step 2: Convert to fraction form
   22,157.82/30,576.59 = 12,726.38/x
3. Step 3: Cross multiply
   22,157.82x = 30,576.59 × 12,726.38
4. Step 4: Simplify right side
   22,157.82x = 389,129,363.98
5. Step 5: Solve for x
   x = 389,129,363.98/22,157.82
6. Step 6: Final answer
   x = 17,561.72