Finding the Fourth Proportional to 22,065.18, 30,450.61 and 13,572.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,065.18 : 30,450.61 = 13,572.29 : x
2. Step 2: Convert to fraction form
   22,065.18/30,450.61 = 13,572.29/x
3. Step 3: Cross multiply
   22,065.18x = 30,450.61 × 13,572.29
4. Step 4: Simplify right side
   22,065.18x = 413,284,509.60
5. Step 5: Solve for x
   x = 413,284,509.60/22,065.18
6. Step 6: Final answer
   x = 18,730.17