Finding the Fourth Proportional to 22,350.72, 30,844.82 and 12,280.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,350.72 : 30,844.82 = 12,280.30 : x
2. Step 2: Convert to fraction form
   22,350.72/30,844.82 = 12,280.30/x
3. Step 3: Cross multiply
   22,350.72x = 30,844.82 × 12,280.30
4. Step 4: Simplify right side
   22,350.72x = 378,783,643.05
5. Step 5: Solve for x
   x = 378,783,643.05/22,350.72
6. Step 6: Final answer
   x = 16,947.27