Finding the Fourth Proportional to 16,709.76, 23,057.82 and 9,634.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,709.76 : 23,057.82 = 9,634.86 : x
2. Step 2: Convert to fraction form
   16,709.76/23,057.82 = 9,634.86/x
3. Step 3: Cross multiply
   16,709.76x = 23,057.82 × 9,634.86
4. Step 4: Simplify right side
   16,709.76x = 222,158,867.61
5. Step 5: Solve for x
   x = 222,158,867.61/16,709.76
6. Step 6: Final answer
   x = 13,295.16