Finding the Fourth Proportional to 16,021.52, 22,106.31 and 9,303.67

Step by Step Solution

1. Step 1: Write the proportion equation
   16,021.52 : 22,106.31 = 9,303.67 : x
2. Step 2: Convert to fraction form
   16,021.52/22,106.31 = 9,303.67/x
3. Step 3: Cross multiply
   16,021.52x = 22,106.31 × 9,303.67
4. Step 4: Simplify right side
   16,021.52x = 205,669,813.16
5. Step 5: Solve for x
   x = 205,669,813.16/16,021.52
6. Step 6: Final answer
   x = 12,837.10