Finding the Fourth Proportional to 16,651.16, 22,982.52 and 9,581.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,651.16 : 22,982.52 = 9,581.72 : x
2. Step 2: Convert to fraction form
   16,651.16/22,982.52 = 9,581.72/x
3. Step 3: Cross multiply
   16,651.16x = 22,982.52 × 9,581.72
4. Step 4: Simplify right side
   16,651.16x = 220,212,071.53
5. Step 5: Solve for x
   x = 220,212,071.53/16,651.16
6. Step 6: Final answer
   x = 13,225.03