Finding the Fourth Proportional to 16,682.25, 23,025.62 and 9,971.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,682.25 : 23,025.62 = 9,971.86 : x
2. Step 2: Convert to fraction form
   16,682.25/23,025.62 = 9,971.86/x
3. Step 3: Cross multiply
   16,682.25x = 23,025.62 × 9,971.86
4. Step 4: Simplify right side
   16,682.25x = 229,608,213.50
5. Step 5: Solve for x
   x = 229,608,213.50/16,682.25
6. Step 6: Final answer
   x = 13,763.62