Finding the Fourth Proportional to 22,318.83, 30,800.89 and 13,364.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,318.83 : 30,800.89 = 13,364.55 : x
2. Step 2: Convert to fraction form
   22,318.83/30,800.89 = 13,364.55/x
3. Step 3: Cross multiply
   22,318.83x = 30,800.89 × 13,364.55
4. Step 4: Simplify right side
   22,318.83x = 411,640,034.45
5. Step 5: Solve for x
   x = 411,640,034.45/22,318.83
6. Step 6: Final answer
   x = 18,443.62