Finding the Fourth Proportional to 22,047.29, 30,408.59 and 15,329.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,047.29 : 30,408.59 = 15,329.55 : x
2. Step 2: Convert to fraction form
   22,047.29/30,408.59 = 15,329.55/x
3. Step 3: Cross multiply
   22,047.29x = 30,408.59 × 15,329.55
4. Step 4: Simplify right side
   22,047.29x = 466,150,000.83
5. Step 5: Solve for x
   x = 466,150,000.83/22,047.29
6. Step 6: Final answer
   x = 21,143.19