Finding the Fourth Proportional to 22,180.38, 30,607.86 and 12,619.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,180.38 : 30,607.86 = 12,619.38 : x
2. Step 2: Convert to fraction form
   22,180.38/30,607.86 = 12,619.38/x
3. Step 3: Cross multiply
   22,180.38x = 30,607.86 × 12,619.38
4. Step 4: Simplify right side
   22,180.38x = 386,252,216.33
5. Step 5: Solve for x
   x = 386,252,216.33/22,180.38
6. Step 6: Final answer
   x = 17,414.14