Finding the Fourth Proportional to 22,182.96, 30,601.43 and 13,224.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,182.96 : 30,601.43 = 13,224.15 : x
2. Step 2: Convert to fraction form
   22,182.96/30,601.43 = 13,224.15/x
3. Step 3: Cross multiply
   22,182.96x = 30,601.43 × 13,224.15
4. Step 4: Simplify right side
   22,182.96x = 404,677,780.59
5. Step 5: Solve for x
   x = 404,677,780.59/22,182.96
6. Step 6: Final answer
   x = 18,242.74