Finding the Fourth Proportional to 16,025.60, 22,111.55 and 9,307.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,025.60 : 22,111.55 = 9,307.24 : x
2. Step 2: Convert to fraction form
   16,025.60/22,111.55 = 9,307.24/x
3. Step 3: Cross multiply
   16,025.60x = 22,111.55 × 9,307.24
4. Step 4: Simplify right side
   16,025.60x = 205,797,456.09
5. Step 5: Solve for x
   x = 205,797,456.09/16,025.60
6. Step 6: Final answer
   x = 12,841.79