Finding the Fourth Proportional to 16,645.82, 22,971.91 and 9,572.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,645.82 : 22,971.91 = 9,572.24 : x
2. Step 2: Convert to fraction form
   16,645.82/22,971.91 = 9,572.24/x
3. Step 3: Cross multiply
   16,645.82x = 22,971.91 × 9,572.24
4. Step 4: Simplify right side
   16,645.82x = 219,892,597.04
5. Step 5: Solve for x
   x = 219,892,597.04/16,645.82
6. Step 6: Final answer
   x = 13,210.08