Finding the Fourth Proportional to 22,162.38, 30,586.91 and 12,606

Step by Step Solution

1. Step 1: Write the proportion equation
   22,162.38 : 30,586.91 = 12,606 : x
2. Step 2: Convert to fraction form
   22,162.38/30,586.91 = 12,606/x
3. Step 3: Cross multiply
   22,162.38x = 30,586.91 × 12,606
4. Step 4: Simplify right side
   22,162.38x = 385,578,587.46
5. Step 5: Solve for x
   x = 385,578,587.46/22,162.38
6. Step 6: Final answer
   x = 17,397.89