Finding the Fourth Proportional to 16,321.07, 22,522.56 and 9,605.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,321.07 : 22,522.56 = 9,605.15 : x
2. Step 2: Convert to fraction form
   16,321.07/22,522.56 = 9,605.15/x
3. Step 3: Cross multiply
   16,321.07x = 22,522.56 × 9,605.15
4. Step 4: Simplify right side
   16,321.07x = 216,332,567.18
5. Step 5: Solve for x
   x = 216,332,567.18/16,321.07
6. Step 6: Final answer
   x = 13,254.80