Finding the Fourth Proportional to 16,525.46, 22,805.06 and 8,971.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,525.46 : 22,805.06 = 8,971.72 : x
2. Step 2: Convert to fraction form
   16,525.46/22,805.06 = 8,971.72/x
3. Step 3: Cross multiply
   16,525.46x = 22,805.06 × 8,971.72
4. Step 4: Simplify right side
   16,525.46x = 204,600,684.00
5. Step 5: Solve for x
   x = 204,600,684.00/16,525.46
6. Step 6: Final answer
   x = 12,380.94