Finding the Fourth Proportional to 22,181.52, 30,604.56 and 13,224.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,181.52 : 30,604.56 = 13,224.96 : x
2. Step 2: Convert to fraction form
   22,181.52/30,604.56 = 13,224.96/x
3. Step 3: Cross multiply
   22,181.52x = 30,604.56 × 13,224.96
4. Step 4: Simplify right side
   22,181.52x = 404,744,081.82
5. Step 5: Solve for x
   x = 404,744,081.82/22,181.52
6. Step 6: Final answer
   x = 18,246.90