Finding the Fourth Proportional to 22,330.82, 30,816.62 and 12,260.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,330.82 : 30,816.62 = 12,260.30 : x
2. Step 2: Convert to fraction form
   22,330.82/30,816.62 = 12,260.30/x
3. Step 3: Cross multiply
   22,330.82x = 30,816.62 × 12,260.30
4. Step 4: Simplify right side
   22,330.82x = 377,820,836.78
5. Step 5: Solve for x
   x = 377,820,836.78/22,330.82
6. Step 6: Final answer
   x = 16,919.25