Finding the Fourth Proportional to 22,227.85, 30,674.82 and 13,276.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,227.85 : 30,674.82 = 13,276.15 : x
2. Step 2: Convert to fraction form
   22,227.85/30,674.82 = 13,276.15/x
3. Step 3: Cross multiply
   22,227.85x = 30,674.82 × 13,276.15
4. Step 4: Simplify right side
   22,227.85x = 407,243,511.54
5. Step 5: Solve for x
   x = 407,243,511.54/22,227.85
6. Step 6: Final answer
   x = 18,321.32