Finding the Fourth Proportional to 21,622.10, 32,429.91 and 8,483.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,622.10 : 32,429.91 = 8,483.54 : x
2. Step 2: Convert to fraction form
   21,622.10/32,429.91 = 8,483.54/x
3. Step 3: Cross multiply
   21,622.10x = 32,429.91 × 8,483.54
4. Step 4: Simplify right side
   21,622.10x = 275,120,438.68
5. Step 5: Solve for x
   x = 275,120,438.68/21,622.10
6. Step 6: Final answer
   x = 12,724.04